<h2>Two pieces of information </h2>
Sonar is an instrument which is used to search for things which are underwater. It is also used to find the depth of water by giving out ultrasonic vibrations into the water. The time which the vibrations take to return assists to find the distance of the reflecting surface.
Answer:
1. true
2. human immunodeficiency virus) is a virus that attacks the immune ... HIV is often spread by people who don't know they have it.
In the process of photosynthesis glucose is produced from carbon dioxide and water <span />
But anyway, the solution to our problem, the answer to our question is that the stages of stellar evolution, in the correct order, are: a nebula followed by a protostar followed by a main sequence star followed by a red giant and then finally, a white dwarf.
Answer:
This probably because they destroy a given character or give rise to a new one.
Explanation:
Alteration here are the permanent changes found in the DNA structure. And are totally inheritable. An example is the case of sickle cell anaemia and haemophilia. People with this anaemia trait hardly live and reproduce even though they do not show ill effects.
Therefore, this mutation alteration is harmful because they destroy a given character.
