What are the three things a chloroplast needs in order to complete photosynthesis?

What electromagnetic radiations can the human bodies senses detect

What role did gravity play in the formation of the planets? A. The gravitational forces inside small asteroids pushed outward, causing the asteroids to swell to the size of planets. B.

How does a Rollercoaster show potential and kinetic energy

Samantha pulls a wagon with her dog in it. The mass of the wagon and the dog together is 45kg. The wagon accelerates at a 0.85m/s2. What force is Molly pulling the wagon with.

In a certain material there is a current of 16 A flowing through a surface to the right, and there is an equal amount of positive and negative charge passing through the surface producing the current.

The saclike structure that surrounds the glomerulus is the. a. renal pelvis b. calyx c. bowman's capsule d. cortex e. none of the above

A flask that weighs 345.8 g is filled with 225 mL of carbon tetrachloride. The weight of the flask and carbon tetrachloride is found to be 703.55 g. From this information, calculate the density of carbon tetrachloride.

Why do people use Earth's motions to determine units of time?

Which of the following could be described as "Energy cannot be created or destroyed, only converted into other forms"? A. Rebound-crumple theorem B. Impulse-momentum theorem C. Law of conservation of energy D. Law of conservation of momentum

Which one of the following statements is true? 1. Burning coal contributes to sulfur aerosols in the stratosphere; these sulfur aerosols have moderated global warming. 2.