Answer: Mechanical digestion breaks food into smaller pieces.
Explanation:
Answer:
It is possibly connective tissue
Explanation:
Because it is excessive richness in a body of water, due to frequent run off. It can cause death to plant and animal life due to lack of oxygen
The answer is D homeostasis. For A, hemoglobin is a protein exists in blood and can bring oxygen. For B, photosynthesis is a process of converting CO2 to glucose using the energy of light. It occurs in chloroplast. For C, hypothesis means suppose.