I believe they use enzymes
Focus definition, a central point, as of attraction, attention, or activity: The need to ... The need to prevent a nuclear war became the focus of all diplomatic efforts. ... What do a.m. and p.m. stand for? .... the point beneath the earth's surface at which an earthquake or underground
D. Heterotrophic eukaryotes
Answer:
a person who studying or has expert knowledge of one or more of the natural or physical sciences
hope it can help you
Answer:
The given blank can be filled with the steady state theory.
Explanation:
The theory based on the perfect cosmological principle is the steady-state theory. On the basis of this theory, the universe is isotropic, homogenous, and immutable. This hypothesis did not reject the expansion of the universe, however, it believed in the spontaneous generation of matter to counteract the observed expansion, that is, maintaining the average density same.
This theory was suggested by Bondi, Hoyle, and Gold in 1948. The steady-state theory lost its objectives when the discovery of the cosmic background radiation was done.