A scientist wants to determine how temperature affects photosynthesis? He sets up a controlled experiment in which he places small plants acquired from an aquarium store
into 3 separate test tubes. He pours 20 ml of cold water into one test tube, 20 mL of
room temperature water into the second test tube, and 20 mL of warm water into the
third test tube. He covers each test tube with a small latex balloon and measures the
circumference of each balloon after 2 days. What is the test (independent variable?
The three test tubes
The temperature of the water
The type of plants
The circumference of the balloon after 2 days

The answer is c. 320 g

It idk haha what are we doing?

1. why does the same side of the moon always face earthc.the rotational period of the moon is equal to one revolution around earth2. which is greater the moons period of rotation or its period of revolution  b.the moons revolution period around earth3.what was the major accomplishment of the apollo missions  d.landing on and exploring the moon4. which of these space missions involved the deployment of lunar rovers d.apollo5. which scientists are going to explore next on kepler-186fd. evidence of existence of life6.which mission is not going to explore the outside of the solar systemb.safir7.which technology limit the future of space exploration b. scientist must first develop certain technologies before missions can be completed.

Catalysts and intermediateshope i