As it grows, it helps the follicles grow into roots which help people find out about the scientific knowledge of fossils.
A: In a lab a scientist measures the height of roses that received different fertilizers.
An experiment must include variables. The other three are just measurements, but since the scientist is varying the types of fertilizers used, this better describes an experiment. It is also done in a controlled environment (in a lab) which helps to eliminate other uncertainties.
Fire can not burn without oxygen
Homeostasis is essential because it maintains internal stability
Answer:
Explanation:
They can contain DNA or RNA as their genetic material
