The pumping of the heart is tied to the respiratory system
D. type a mother and type b father because they don’t have blood type o from their parent
Answer:
Scientists use waves to study the different layers of the earth. Usually, they use seismic waves, which are waves generated by earthquakes or nuclear-test explosions. The seismic waves are bent, sped up, or slowed down, or even reflected when they pass through the earth's layers.
Explanation: GOOD LUCK
These are the statements
that apply;
viruses are not able to reproduce outside of a host cell
<span>have
DNA or RNA,
not both</span>
are unable carry out metabolic processes to generate ATP
viruses do not have a cellular structure
Viruses, though, have some living characteristics such as; they mutate and reproduce (rather inside
the host cell)
