Yes, there is growing evidence that cognitive impairment is associated with cigarette smoking.
Answer: option B) Sympatric speciation is best described as a random event that disrupts the allele frequencies in a population
Explanation:
Sympatric speciation is an event/situation whereby organisms of the same species:
- live in the same territory or nearby territories ( i.e do not live in geographical isolation)
- DO NOT interbreed, but select a sexual mate from a much diverse territory to yield new species or offsprings.
This sexual selection then results in generations of offsprings that are genetically different from the rest of the same species due to uneven gene flow or disruption of alleles among the population of same species.
Thus, only option B is true.
Answer:
I think s its True
Explanation:
What do low levels mean? Low TSH levels indicate hyperthyroidism. This is also known as an overactive thyroid. If the thyroid gland is secreting levels of hormones that are too high, the pituitary gland produces less TSH
hope it helps
Answer:
Explanation:
a chemical reaction that occurs when a substance reacts with oxygen, releasing energy in the form of heat and light.
Humans add carbon to the atmosphere in many ways. For example:
- Car emissions
- Factories
- Electric powerplants
- Fires
- Etc.
We as humans can reduce our carbon footprint by using more efficient ways of powering our lives by:
- Using renewable energy sources
- Turning off devices when not in use
- Not keeping cars on idle
- Etc.
