Answer: Option (a) is the correct option that is largest percentage of oxygen is present in both earth's crust and human body.
Explanation: Oxygen is present in large amounts both in earth's crust and human body. The percentage of oxygen in earth's crust is 46.6% and the percentage of oxygen in the body is about 66.6%. So it is concluded that both human body and earth's crust have high percentage of oxygen.
Answer:
I think it's d but I'm not sure
Answer:
The processes of digestion include six activities: ingestion, propulsion, mechanical or physical digestion, chemical digestion, absorption, and defecation. The first of these processes, ingestion, refers to the entry of food into the alimentary canal through the mouth.
Answer:
A plant cell is your answer
Explanation:
prosses of elimination
animal cell - dose not have a cell wall
algae cell - its cell wall has more of a bubblelike appearance
bacterium cell - cell wall is not rigid, and color can vary it has more of a lose thread type look.
plant cell - has a green cell wall that is rigid <--- this is your answer
