Precipitation occurs when
water molecules in the atmosphere lose kinetic energy and speed up
water molecules in the atmosphere gain kinetic energy
water molecules in the atmosphere speed up and fall
water molecules in the atmosphere slow down and come together

Look at the following answer choices and determine which belongs in the both category. testable, can be disproven explains natural phenomena, has evidence to support it prediction, tentative, one or more scientists working together well established, many different scientists working independently, highly reliable

Astudent poured a solution of bromothymol blue indicator into three test tubes. then he placed an aquatic plant in two of the test tubes, as shown below. he placed a stopper on each test tube and placed them all in the dark for 24 hours. bromothymol blue turns from blue to yellow in the presence of co2

The variation among individuals, on which natural selection acts