The answer is; B
Mutation is one source of variation (in addition to sex and gene flow). Mutations are rare and occur in a small proportion of individuals. However, due to the advantage that the genetic mutation confers to these individuals, their chances of passing the genes to the next generation is higher than that of the general population.
This way, the allelic frequencies of these advantageous mutated genes increase with each generation and eventually become the majority population over time.
Answer:
The continuous use in aesthetics and other medical procedures of botulinum toxin is known, however there is no scientific evidence to support the doses necessary to kill a cell in humans, it is known that this toxin is measured in units of mouse oMU, referring a unit of notulin toxin is equivalent to 0.05 nanograms, with a lethal dose in mice of 0.00000033 mg and for humans from 1 to 2 µg.
It is known that in terms of its mechanism of action, it occurs by blocking the acetylcholine output of the presynaptic neuron, which generates muscle paralysis, making it possible to recover after approximately 3 months.
Climate changes thats what im guessing .. not too sure though ... sorry
Answer:
a) aquifers
Explanation:
Looking at the answers choices, 3 of the answers have something in common. Oceans, rivers, and lakes all have their surfaces exposed to the atmosphere—including the direct path to the sun. This means that they evaporate the most into the atmosphere.
Aquifers are underground wells, meaning they only evaporate slightly into the atmosphere due to high levels of heat energy. However, they stay mostly underground and are not in the direct path of the sun's energy.
