Answer :A half- life is the time required for half of the radioactive substance to undergo radioactive decay. In two half lives first half of the original sample decays then in the second half life half of what is left decays.25%
Explanation:
Another name for the Voice Box is the Larynx.
Answer:

Cell wall : Plant cells have a cellulosic cell wall, which is absent in the case of animal cells.
The plasma membrane serves as the outermost boundary for an animal cell.
I believe that the answer is autotrophs
Answer:
Summary. The photosynthesis chemical equation states that the reactants (carbon dioxide, water and sunlight), yield two products, glucose and oxygen gas. The single chemical equation represents the overall process of photosynthesis.