PHYSICS HIGH SCHOOL

How do adaptations help an animal survive?

Answers

Answer 1
Answer:

Answer: An adaptation is a very particular skill which helps an animal do the things they do in every day life .  Adaptation basically helps an animal survive in the environment they have decided to live in .

Hoped I helped -

Sleepy~
Answer 2
Answer:

Answer: Depends on their adaptions such as they may be able to change their color of their skin to camouflage to hide from predators or they are able to survive in harsh weather where they live in.

Explanation:

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Assuming that all carts are moving, compare and contrast the differences in the motion of the 3 carts.

Robert Hook discovered cells when viewing a _____ under a microscope.box
blood
cork
plant

Answers

What you need to do while answering this questions, is ask yourself what has cells - only if a thing has cells can you see those cells under a microscope. Objects of animal and plant origin have cells, so blood, plant and cork (made of tree bark) can have cells, and a box too, if it's made of wood. So we can''t exclude any answers based on this. We must then know the story of Robert Hook - and it was in fact a cork. He did this discovery around 1655. At the time his main interest was the microscope rather than the cork, and he used to cork to demonstrate the function of the microscope. The correct answer is CORK.

If I was 14 stone what would my gravity be on venus

Answers

The acceleration of gravity on the surface of Venus (8.87 m/s^2) is 90.4% (rounded) of its value on Earth's surface (9.807 m/s^2). So if your weight on Earth is exactly 14 stone, then you would weigh 12st 9.2lb (rounded) on Venus.

The law of suggests that the orbit of planets is not circular but .

Answers

Answer:

Kepler's first law suggests that the orbit of planets is not circular but elliptical

Explanation:

The three Kepler's laws explain the motion of the planets orbiting the Sun:

- The first law tells that the orbits of the planets around the Sun are ellipses, with the Sun located at one of the two focii

- The second law tells that a line connecting the Sun with the planet sweeps out equal areas in equal amounts of time

- The third law tells that the square of the orbital periods of the planets is proportional to the cube of their average distance from the Sun

As we can read, the first law tells us that the orbit of the planets is not circular, but elliptical.

A failure of the red-sensitive nerves in the eye to respond to light properly causes A. astigmatism.
B. farsightedness.
C. chromatic aberration.
D. color blindness.

Answers

D. colour blindness

"red-sensitive" just means that the nerves are able to see red light

D. Color blindness is your correct answer

A truck is moving around a circular curve at a uniform velocity of 13 m/s. If the centripetal force on the truck is 3300 N and the mass of the truck is 1600 kg, what's the radius of the curve?

Answers

Well, first of all, the truck's velocity is constantly changing, not 'uniform'.
Velocity consists of speed and direction.  So, even if the truck's speed is
constant, its direction keeps changing as long as it's on a circular curve,
so its velocity is constantly changing.

The force needed to keep a mass moving in a circle is

                                 F = (mass) x (speed)² / (radius)
                      
                             3300 N  =  (1600 kg) (13 m/s)² / R

                           3300 kg-m/s²  =  (1600 kg) (169 m²/s²) / R

                           R  =  (1600 kg) · (169 m²/s²) / (3300 kg·m/s²)

                               =  (1600 · 169 / 3300)  meters

                               =        81.9  meters     

The Correct answer to this question for Penn Foster Students is: 81.94m

On the Celsius scale, one degree indicates the same temperature change as A. one degree Fahrenheit.
B. 5/9 degree Fahrenheit.
C. one kelvin.
D. 9/5 kelvin.

Answers

Choice  ' C '  is the only correct one.

The Celsius degree and the Kelvin are also the
same size as 9/5 (1.8) Fahrenheit degrees.
D)   9/5 kelvin is WRONG 
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