Answer: Hello!!! It is me again!!! Here is the answer: The Bill and Melinda Gates Foundation hires you as a consultant to determine how best to use $20 billion to save the world and make it a better place … You cannot spend $1 on yourself or your family. :) Please mark me as Brainliest :) :) :)
Explanation:
What is the wavelength of a water wave that is moving at 12 m/s with a frequency of 3 Hz?
(p.s: I also have to show my work on this question!)
Answer:
4 meters
Explanation:
The Formula for finding Wavelength is Wavelength= Speed/ Frequency.
Substitute the values into this equation. 12m/s/3= Wavelength
12/3=4
So, the Wavelength is 4 meters
Hope I helped, Brainliest would be appreciated :)
Have a fantastic day!
-Aadi x
DUE TODAY PLEASE HELP.....WILL GIVE BRANIST!!!!!!!
Instructions: Create a comic strip detailing the adventure of your character as the character is exposed to thermal energy, causing it to undergo phase changes from a solid, to a liquid, to a gas. Place drawings inside the boxes and written content on the lines below each box.
Your presentation must include the following:
• title and introduction of your character, including what substance it is made of
• source of thermal energy your character encountered (conduction, convection, and/or radiation)
• detailed description and/or diagram of the particle transformation from solid to liquid phase
• detailed description and/or diagram of the particle transformation from liquid to gas phase
( do not use the ice cube story)
girl how someone supposed to help you with that?!
Answer:
use water in the ocean getting precipitated and going up then make it fall off a mountain then make it freeze becuase it got stuck on the mountian
thermal energy happend when the water got precipitated
I hope it helps a bit
Sorry if there is mistakes I'm tryna help
PLS HELP ITS DUE TODAY
Which type of plate boundaries can result in slow changes to Earth’s crust? What is created because of these plate boundaries?
Which type of plate boundaries can result in fast changes to Earth’s crust? What is created because of these plate boundaries?
How is the movement of the cocoa and milk similar to the movement in the asthenosphere?
Answer: tectonic plates
Explanation:
Geologists have hypothesized that the movement of tectonic plates is related to convection currents in the earth's mantle. ... Tremendous heat and pressure within the earth cause the hot magma to flow in convection currents. These currents cause the movement of the tectonic plates that make up the earth's crust.
Which of these vitamins are essential for building strong bones? (Select all that apply.)
vitamin D
vitamin E
vitamin B
vitamin C
Which group of organisms came before marsupials?
Only reptiles
Both cats and dogs
Both amphibians and reptiles
Only dogs
Which of the following are made mostly or entirely of proteins? (Select all that apply.)
carbohydrates
hormones
fats
body tissues
Answer:
Body tissues and hormones
Explanation:
Body tissues are made of almost 80% proteins. Some hormones, like the growth one (Somatotropin).
When a ball bounces back when you throw it at a wall, what occurs?
A- refraction
B- reflection
C- diffraction
D- absorption
Answer:
a (refraction) i think
Explanation:
Everything in the world has the same density. True or False?
If two scooters are moving at the same speed but in opposite directions is their velocity the same? Explain
Answer:
yes
Explanation:
because there going the same speed but in different directions.
An area with many volcanoes that includes the western borders of South, Central, and North America, the southern border of Alaska, and the eastern border of Japan is often called the Ring of Fire. Why did so many volcanoes form in these areas?
help
science
The car moves at 300 m/s on a highway, after 25s the car stops. What is acceleration?
Answer:
12
Explanation:
Acceleration=change in velocity/change in time
Change in velocity is 300-0 (because the car stops meaning velocity is 0) so the change is 300.
Change in time is 25-0(because time started at 0 secs.
300/25=12m/s^2
Answer:
12
Explanation:
When a cannon fires a cannonball we observe Newton's third law. Which is the reaction force?
A) The cannon moving forward
B) The cannonball moving backward
C) The cannon moving backward
D) The cannonball moving forward
We have that when a cannon fires a cannonball the reaction is the opposite reaction spoken about in newton law
The cannon moving backward
Option C is correct
Newtons third law state that for every action they must be an equal and opposite reaction Therefore
When a cannon fires a cannonball we observe Newton's third law the reaction force notice is the opposite reaction spoken about in newton law
In conclusion
When a cannon fires a cannonball the reaction is the opposite reaction spoken about in newton law
The cannon moving backward
Option C is correct
For more information on this visit
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During the 1840s, Americans used the idea of Manifest Destiny to justify the...
A. expansion of women's rights
B. acquiring of new territories
C. repeal of the Missouri Compromise
D. beginning of free public education
Which of the following investigations is an experiment?
1 Constructing a model to study the water cycle
2 Measuring the height of a table using a measuring tape
3 Measuring the effect of different activities on heart rate
4 Observing two birds to find out which of the two flies higher
Answer:
The answer is number 1
What is the main reason for running one experiment that has an independent variable and running one variable with everything the same except that it does not have the independent variable?
Answer:
when you run one experiment and it is off and then do the same experiment again that makes it not have a independent variable.
Explanation:
The Bill and Melinda Gates Foundation hires you as a consultant to determine how best to use $20 billion to save the world and make it a better place to live. You cannot spend $1 on yourself or your family. What’s your plan? Who would you help? What would you do?
Answer:
I like writing sentences, cama cama cama shake your body do that conga yeah shake your body baby do that conga come on shake your body baby do that Conga come on shake your body baby do that cngaaaaaaa
Explanation:
What types of crust are colliding between the North American Plate and the Pacific Plate?
Answer Choices:
Continental Crust/Continental Crust
Oceanic Crust/Oceanic Crust
Oceanic Crust/Continental Crust
Another one of these that my daughter is asking and I don't know the answer. Please help!
Answer: G00gle got you bro
Explanation:
Yea
.. Which location shows AUTUMN (fall) in the NORTHERN hemisphere? *
HINT: Pay attention to which season the North is leaving... Is it leaving summer, or is it leaving winter?
Location 1
Location 2
Location 3
Location 4
Answer:
Location 2
Explanation:
This shows fall because the Earth is a little tilted not giving as much light
Why does a nucleus always have a positive charge?
Answer:
Explanation:
The nucleus is positive because only protons live in the nucleus. Electrons (which have a minus charge ) orbit around the nucleus, but only the nucleus has positive charges.
Why do you see objects when you shine a flashlight in a dark room? A. The objects you see are refracted. B. The objects you see are blackened. C. The objects you see are illuminated. D. The objects you see are luminous.
Answer:
A
Explanation:
it s refracted
Please help and serious answers only please!!
Answer:
#9: Tisa's average speed is 6 meters per second
Lily's average speed is 6 meters per second
#10: Alesia is fastest during the first hour (the first decrease)
Explanation:
rly don't have time to explain if u want me to comment and I'll come back
<3
Which of these minerals are essential for muscle health? (Select all that apply.)
potassium
sodium
iodine
calcium
Answer:
Potassium and calcium
Explanation:
**WILL MARK BRAINLEST* The diagram below shows a model of the greenhouse effect... Which process would happen MORE if the amount of greenhouse gasses in the Earth's atmosphere INCREASED? *
Process A (Infrared heat escaping into space)
Process B (Sun sending light energy to Earth)
Process C (Infrared heat being trapped in the atmosphere)
None of those processes would happen more with increased greenhouse gasses.
Answer:
Process C (Infrared heat being trapped in the atmosphere)
Some students are investigating how resonance works using two tuning forks. Rearrange the steps of the procedure they should follow in the correct order. Place the first step at the top and the last step at the bottom.
The second tuning fork will begin to vibrate at the same rate as the first one.
Hold the vibrating tuning fork right beside the other one.
Strike one tuning fork on the edge of the table to make it vibrate.
Answer:
1. strike one tuning fork on the edge of the table to make it vibrate.
2. hold the vibrating tuning fork right beside the other one.
3. the second tuning fork will begin to vibrate at the same rate as the first one.
diagram... At which location would the moon most likely be in a FULL MOON phase (all of the lit side visible)? *
A
B
C
D
E
F
A truck accelerates on a highway from rest to 216 m/s in 10s. What is the magnitude of acceleration?
Explanation:
acceleration is the change in velocity per time taken
a = ∆v/t.
a = (216 - 0)/10
a = 216/10
a = 21.6m/s²
What types of crust are colliding between the South American Plate and the Nazca Plate?
Answer Choices:
Continental Crust/Continental Crust
Oceanic Crust/Oceanic Crust
Oceanic Crust/Continental Crust
Answer:
Oceanic Crust/Continental Crust
Explanation:
It is a destructive plate boundary between the oceanic crust of the Nazca plate and the continental crust of the South American plate.
Which of the following statements about digestion is/are TRUE? (Select all that apply.)
Salivary glands are located in the esophagus.
Digestion begins in the mouth.
Saliva changes the starches in food into simple sugars.
Saliva is an enzyme.
Answer:
option 1, 2, and 4
Explanation:
i took the test lol
The true statements are digestion begins in the mouth, saliva changes the starches in food into simple sugars, and saliva is an enzyme. The true options are (2), (3), and (4).
The process of breaking down food mechanically and chemically begins digestion in the mouth. When we consume, our teeth break down the food with chewing motions. By increasing the food's surface area through mechanical means, enzyme function is facilitated.
The digestion of carbohydrates, and starches, depends on the salivary enzyme amylase. When amylase disassembles the lengthy chains of starch molecules into smaller units, it creates maltose, a disaccharide (a form of sugar).
A biological enzyme is a molecular catalyst that speeds up particular chemical reactions without being consumed or changed in the process. Amylase, which was previously noted, is one of the most significant enzymes found in saliva. In the mouth, amylase aids in the first digestion of carbohydrates.
Hence, the true statements are digestion begins in the mouth, saliva changes the starches in food into simple sugars, and saliva is an enzyme. The true options are (2), (3), and (4).
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A patient with a family history of cholesterol deposits in the arteries asks her doctor for a recommended vitamin. Which of these vitamins is the doctor likely to recommend?
vitamin D
vitamin C
vitamin B
vitamin F
Cholesterol deposits in the arteries can be treated by the Vitamin B (Niacin).
Why Vitamin B is used to treat cholesterol patients?The function of Vitamin B (Niacin) is to remove the LDL (low density lipo protein) from the body that is Bad cholesterol and to increase the HDL (High density Lipo protein) that is good cholesterol.
Niacin is a type of vitamin B which is used by the human body to convert the food into an energy. Niacin (Vitamin B) also improves the performance of the nervous system and digestive system and also keeps the skin healthy.
Thus Vitamin B is used to treat the cholesterol patients.
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Pierre is a 375 kg great white with an average speed of 3 m/s. When Pierre spots a seal, he increases his velocity to 7 m/s. After he eats the 45 kg seal, Pierre returns to his average velocity. What is Pierre's kinetic energy?
Answer:
1890J
Explanation:
375+45 = 420kg (total mass)
kinetic energy = 1/2 × mass × velocity²
1/2 × 420 × 3² = 1890J