The hypothesis is an educated guess, so it cannot be used as a firm statement. In an experiment, the hypothesis is just a guideline that is tested & may or may not be true based on the results.
Hope that helps!
A plant cell would be a cell wall and for an animal cell it would be the cell membrane.
Answer:
D
Explanation:
Because the respatory system Circulates oxygen into the body and blood needs oxygen And the And the circulatory system circulates all the blood in your body Circulatory system circulates all the blood in your body in the works together with the respiratory system.
Answer:
Soil is composed of small pieces of a variety of materials, so it is a heterogeneous mixture.
Explanation:
