The second answer from the top
Answer:
In evolutionary biology, abiogenesis, or informally the origin of life (OoL), is the natural process ... For the oldest life forms, see Earliest known life forms. ... There are several principles and hypotheses for how abiogenesis could have occurred. ... In 2017 scientists found possible evidence of early life on land in 3.48 Gyo
Explanation:
Many scientists favor the RNA world hypothesis, in which RNA, not DNA, was the first genetic molecule of life on Earth. Other ideas include the pre-RNA world hypothesis and the metabolism-first hypothesis. Organic compounds could have been delivered to early Earth by meteorites and other celestial objects. We can only speculate about these questions, since we haven't yet found any life forms that hail from off of Earth. But we can think in a more informed way about whether life might exist on other ... When did life appear on Earth? ... For many millions of years, early Earth was pummeled by asteroids and other celestial objects.
<span>The density, or more precisely, the volumetric mass density, of a substance is its mass per unit volume.</span>
Answer:
D) Vasopressin
Explanation:
Neurohormones are defined as those hormones which are reeased from the and secreted in to the blood.
Vassopressin is also a neurohormone released from the hypothalamus and secreted by the neurohyphophysis also called posterior loop of pituitary gland in to the blood and then act on the target organ. Vasopressin is also called anti diuretic hormone its function is to maintain osmolality (the concentration of dissolved particle such as salt in the serum).Its main site of action is kidney to absorb water and not to allow much water to loss trough the urine.Thus it help in maintaining water level and mineral maintenance in the body (homeostasis)
The correct answers should be B.) "You should not get rays because of the high frequency.” and C.) "White light is composed of many colors of light.”
That is because the sentence A features a subjective statement that is not very scientific as taste is not something that can be objectively good or correct. The same goes with nuclear energy because many would say that it is good since the positive aspects outweigh the negative, or vice-versa.