Scientists<span> are people who use research and experiments to learn more about the natural world. </span>Scientists<span> use scientific methods to derive knowledge systematically, performing repeatable experiments to ensure that their conclusions are valid and accurate.</span>
Answer:
Because you body is introduced to the virus, it is familiar to it and can build up an immunity to the weakened form so when the actual virus invades, your body know what to do.
Explanation:
Answer:
STEM CELLS
They serve as a repair system for the body.
Answer is- ask a question based on an observation
Answer:
228,585 gram
Explanation:
M h2so4 = 2 + 32 + 16*4 = 98 g/mole
C% o2 in h2so4 = (64 / 98) * 100 = 65,31%
m o2 = 350 * 65,31% = 228,585 gram
Done :))
