If it is the fill in the blanks.The answer is The circles,or orbits,for electrons are called energy levels.
<span>Soil degradation by human activity is a huge global issue since it deteriorates the soil and there is a reduction in quality of the soil and its productivity. The region that is facing this issue largely is Asia. This is the reason solving this issue is now an international agenda.</span>
Calcitonin, secreted from the thyroid, and parathyroid hormone. Calcitonin lowers the blood calcium levels, PTH increases it.
Answer:
Homologous
Explanation:
If two or more species share a unique physical feature, such as a complex bone structure or a body plan, they may all have inherited this feature from a common ancestor. Physical features shared due to evolutionary history (a common ancestor) are said to be homologous.
His parents were both heterozygous for hyperthermia and had the recessive gene. (hope this helps)