Answer: A. before history was written.
Explanation:
I'm not sure if you need an explanation, but prehistoric means "very old or out of date." Hope this helps, Good luck! :)
Answer:
c. The cell taking in molecules
Explanation:
Answer:
The false statement is
D. Genetic disorders cannot be caused by changes in just one individual gene.
Explanation:
Genetic disorders are caused by changes in DNA sequence due to mutation which will result in protein alteration which causes different disorders
Not only in gene, a change in single nucleotide or deletion of single nucleotide in the DNA sequence can cause a genetic disorder.
Answer:
99% water, sodium chloride, trace amounts of wastes, and vitamin C
Explanation:
Eccrine glands are the main and major sweat glands of our body. These glands are found all over the skin but their density is higher on palm, soles, and head.
99% of the secretion of the eccrine gland is water and in rest 1% it contains sodium, trace amounts of waste and a high amount of vitamin C is lost by the eccrine gland.
As the eccrine gland is responsible for sweating so it helps in thermoregulation in the body. As 99% of secretion is water therefore dehydration and water loss is the major worry during excessive sweating.
I THINKKK it’s the 3rd one, changes in the ocean currents
