Answer:
• covers the body and makes up inner lining
• protects against damage, dust, bacteria
Explanation:
Answer:
DIFFUSION
Explanation:
Water, carbon dioxide, and oxygen are among the few simple molecules that can cross the cell membrane by diffusion (or a type of diffusion known as osmosis ). Diffusion is one principle method of movement of substances within cells, as well as the method for essential small molecules to cross the cell membrane.
Answer: deposition
Explanation:
Deposition. The opposite of sublimation is deposition. This is the process in which a gas changes directly to a solid without going through the liquid state.
B. long fibres in celery
(I've done an experiment in my science class once on xylem tissue on celery)
Answer:
Na (sodium) and HCl (hydrochloric acid)
Explanation:
The products are the salt and hydrogen gas
Whenever you see the word react it means those are the reactants (usually whatever compound comes before and after the word). Because they are reacting with each other.
Whenever they say "is produced" those are the products
