Answer:
A. Making an observation
Explanation:
Before you can communicate findings, you first need to have findings. And before you can test a hypothesis, you first need to come up with a hypothesis, which can be done by first making an observation.
Answer: photosynthesis
Explanation: leaves are a very important part of the plant. plants are autotrophic in nature. They can synthesize their own food. Leaves have green color pigment in it which is called chlorophyll. This chemical compound chlorophyll uses light energy from the sun and converts water and carbon dioxide into sugars. By this method, plants prepare their own food.
C, doubling the mass, as the bigger the object, the more energy is stored. Would appreciate brainliest!
I guess it should be hyperkinesia