We see the moon because the sun's light reflects off it. So the phases change depending on how much the sun reflects of it. The moon circles around the Earth so at certain times there will be a full moon and at certain times a new moon and everything in between.
I answer i would choose is C
Answer:
Please see below
Explanation:
The physiology of the brain is closely related to how we think and feel. The limbic system in the brain, for example, is the center of all our emotions. Understanding how this part of the brain functions will greatly help in understanding the psychology of the human being. There are certain hormones that have an affect on our moods and behavior so it is important to gain knowledge of physiology and genetics in order to grasp the science behind emotional responses, memory etc.
Answer:
True
Explanation:
Sewage contains many substances in it like suspended solids, organic and inorganic impurities, nutrients, saprotrophic and disease causing bacteria and other microbes. Hence it is said to be a complex mixture.
Answer: C) the genes of this phage were made of DNA.
Explanation: the experiment described above wherein a radioactively labeled bacteriophage was allowed to infect bacteria ultimately led to the conclusion that the genes of the bacteriophage under study were made of DNA (a biopolymer of deoxyribonucleic acid, which is a type of nucleic acid composed of four different chemical groups, called bases: adenine, guanine, cytosine and thymine). Simply put, the experiment shows that the genetic material of the phage is DNA.
