Carbon dioxide is a gas produced by___ and used by ___

a) photosynthesis ... carbon dioxide

b) animals ... plants

c) carbon dioxide ... photosynthesis

d) plants ... animals

How many grandfather clocks could you power with the same amount of power as is used by a single light bulb?

A bird cab fly 25km/h how long does it take to fly 3.5km

A boy on a 1.9 kg skateboard initially at rest tosses a (n) 7.8 kg jug of water in the forward direction. if the jug has a speed of 3.2 m/s relative to the ground and the boy and skateboard move in the opposite direction at 0.

Select the statement that best describes gravity. Gravity is the force that draws objects closer to the Earth because of the positive or negative charge.

Why are slow twitch muscles more beneficiall than fast twitch mucles for cardiorespiratory fitness

What happens when you put a galvanized zinc nail in copper solution for an hour? Does is rust or turn different color? What is the outcome? What happens after an hour in vinegar?

Psuedopod in a sentence

Study the scenario. As a spacecraft moves beyond Pluto, its thrusters are turned on for a short time to boost its speed to approximately 32,500 mi/h. The thrusters are then turned off.

What produces an electromagnetic wave? A) An oscillating or accelerating electric charge B) An electric charge moving at constant velocity C) A static electric charge D) A magnetic monopole moving at constant velocity

A physics book has a height of 25.8 cm, a width of 20.2 cm, and a thickness of 2.90 cm. (a) What is the density of the physics book if it weighs 20 N? kg/m³ (b) Find the pressure that the physics book exerts on a desktop when the book lies face up.