Linda wrote a few steps to describe how carbon circulates between the atmosphere and living organisms. Step 3 is missing.

Step 1: Carbon enters the atmosphere as carbon dioxide from respiration and combustion
Step 2: Plants use carbon dioxide to make glucose
Step 3:
Step 4: Animals exhale carbon dioxide

Which of the following best describes step 3?

a. Dead animals are buried underground and form fossil fuels.

b. Carbon present in glucose is converted into oxygen by animals.

c. Carbon present in glucose is transferred into plant-eating animals.

d. Dead animals decompose and recycle the carbon in the form of carbon dioxide.

The scientific method is a series of steps followed by scientific investigators to answer specific questions about the natural world. it involves making observations, formulating a hypothesis, and conducting scientific experiments.the steps of the scientific method are •observation-the first step of the scientific method involves making an observation about something that interests you•question-once you've made your observation, you must formulate a question about what you have observed. •hypothesis-once you've made your observation, you must formulate a question about what you have observed. •experiment-once you've developed a hypothesis, you must design and conduct an experiment that will test it.•results-the results are where you report what happened in the experiment. •conclusion-the final step of the scientific method is developing a conclusion.i hope that this you : )

1.989×10^30 kg is the weight of the sun.