Thin, flexible barrier around a cell; regulates what enters and leaves the cell
- contains the cytoplasm (all interior cell organelles and the cytosol) - allowing the chemical reactions in the cell to occur
<span>- semipermeable (or selectively permeable) - allows certain substances in, keeps others out </span>
<span>- offers limited protection</span>
Answer:
c) solar energy is renewable because it will be available as long as the sun continues to burn
To be specific, it's indistinguishable
He's actually a biologist who specializes in organic chemistry. But since that's not in the answer choices, i'd recommend putting Scientist or Dermatologist.
