Why dont animal cells need chloroplasts?

A scientist studies how the temperature of a baseball affects how far it goes when hit by a bat. What will make this experiment more repeatable? O A. Using the exact same kind of baseball each time O B.

Two birds collide in midair. Before the collision their combined momentum was 88kg•m/sto the west. What is their combined momentum after the collision

What do parallel circuits and series circuits have in common

Considering Newton's first law of motion, what is the best way to relate a stationary object and a moving object? A. They obey exactly the same law of motion since they can both be the same object when considered from different perspectives. B.

If a ball is thrown upward with an initial velocity of 30.0 m/s how much time does it take to reach its maximum height

What experimental term is it when a ruler is dropped to the floor?

Where is most of the energy from incoming waves focused? A. spit B. headland C. underwater D. barrier beach

Exoplanets (planets outside our solar system) are an active area of modern research. Suppose you read an article stating that there is a newly discovered planetary system with three planets.

A car with a mass 1200 kg accelerates at 1.89 m/s2. What is the total force exerted by the car on the road (answer in N to two decimal places) ?

How Long will it take a plane flying north from Miami to reach New York City 1800 km away if the average velocity of the plane is 940 km/h