Answer:
Pretty sure they're both A.
<span>the molecule that carries the instruction for producing mRNA is DNA</span>
Answer: disrupts ability to fight disease
Explanation: Stress may disrupt homeostasis. Your heart may beat more rapidly or your breathing may increase because your stress, disrupting homeostasis.
Answer:
O silicon (Si)
Explanation:
-Valence electrons are electrons of the outermost shell which can participate in chemical bonding. ... -As in silicon, four electrons are present in the outermost shell, so silicon has Four valence electrons.
Answer:
An experiment that directly test the hypothesis.
Explanation:
Although there is quite a bit missing from Mary's scientific investigation, the thing that sticks out the most is the fact that Mary is missing an experiment. Mary's hypothesis states that people would fall asleep faster if their room color were to be painted blue. To prove that her hypothesis is true, Mary would need to conduct an experiment to see whether or not she was correct.
