Plants take up carbon dioxide from the air and nutrients from the soil. This is an example of interactions between the

What's the right of the peroidic table called

Three particles A, B and C are thrown from the top of a tower with the same speed. A is thrown straight up, B is thrown straight down and C is thrown horizontally. They hit the ground with A. Equal speed at same time B.

Epsilon Eridani is a star that is 10.5 light years away from Earth. One light year is about 9.46 trillion kilometers The distance between the star and Earth in kilometers is trillion kilometers?

The atomic mass of potassium is 39. if its atomic number is 9, it has how many neutrons within each potassium atom?

On a camping trip, your friend tells you that fluffing up a down sleeping bag before you go to bed will keep you warmer than sleeping in the same bag when it is still crushed from being in its storage sack. Explain why this happens.

A brick with a mass of 20 kg and a weight of 196 N is released on a frictionless plane at an angle of 30°. What is the acceleration of the brick? A. 4.9 m/s2 B. 5.6 m/s2 C. 8.5 m/s2 D. 9.8 m/s2

7. What are the 3 types of air resistance and explain them?

Which model of the atom first introduced the idea of a nucleus? Question options: Thomson's model Dalton's model Rutherford's model Bohr's model

A gymnast practices two dismounts from the high bar on the uneven parallel bars. during one dismount, she swings up off the bar with an initial upward velocity of + 4.0 m/s.

Your friend, who is age 15 and has a resting heart rate of 70, wishes to start a jogging program. What would you suggest as a proper starting target heart rate? 138 115 178 155