Answer:
True
Explanation:
Water molecules can move across a membrane due to size of the molecule. Water molecules are small in size thus can diffuse easily. Big size molecules cannot move across the membrane because the membrane is selectively permeable with tiny pores that allow free passage of gases and water.
The Answer to your question is Erosion I Learned It Last Year.
Answer:
The photosynthesis and cellular respiration cycle is used to produce usable energy for plants and other organisms. These processes occur on a molecular level inside the cells of organisms. On this scale, energy-containing molecules are put through metabolic processes that yield energy that can be used right away.
Answer:
A is the correct answer
Explanation:
the existed about 3.8to 4.0 billion years ago
