The answers are solar for the first one, and chemical for the second one
Irrigation system gave the ancient civilizations fertile land which helped crops grow. It also allowed for ease of watering which made the process of farming faster.
Brown algae and dinoflagellates
Reason: Because they are the closest being in the same branch, makes them the most related.
Hope this helps! :))
<h2>Answer:</h2>
Gastrin and Glucagon
<h2>Explanation:</h2>
Two primary hormones that are secreted by the pancreas are:
Gastrin: This hormone helps in digestion by stimulating certain cells in the stomach to produce acid.
Glucagon: Glucagon helps insulin to maintain normal blood glucose by working in the opposite way of insulin.
After we finish taking shower the pancreas releases these two primary hormones.
<h2>Answer and Explanation </h2>
The genetic recombination is a biological process in which the recombination of homologous DNA strand occurs. There are three types of genetic recombination in human being that is :
Human Reproducation that is by introducing new gene combination to the population.
By cell Mutation is it that is changes in the DNA.
By Gene flow it is that is by movement of a gene from one population to another population.