Answer:
The bonds are covalent and hydrogen.
~Hoped this helped~
Answer:
The evolution of the organisms can be explained on the different evidences like biochemical evidence, molecular evidence, morphological evidence and fossil evidence.
The fossil evidence indicates the direct evidence of the evolution. The feather present in the dinosaurs is used as the insulation that provide the heat to the birds. Later on the crowding on the land forms leads to the adaptation of the flight in the dinosaurs.
Option C : oxygen and Option B: nutrients
The word for people who study fossils are paleontologists and they may use paint brushes to clean fossils for soft sedimentaries.
Answer:
a. lethargy, weight gain, cold extremities, and constipation
Explanation:
Caused by a decrease in thyroid hormone T3 (triiodothyronine) and T4 (thyroxine) production, hypothyroidism can lead to fatigue (lethargy), weight gain, cold intolerance, constipation, skin dryness, thinning hair, increased rates. cholesterol and menstrual flow, plus infertility and depression. These symptoms are not always all present, which makes it necessary to research thyroid dysfunction in front of any of them.
Although the reason has not yet been discovered, diseases caused by thyroid malfunction are more common in females. In addition, the risks increase with age. Thus, endocrinologists advise women over 40 in particular to have their thyroid self-examination periodically.