In firing a handgun, it is best to have protection in the eyes and ears. It could be seen to those people who are practicing shooting and to those who are authorize to use a hand gun. The reason why these are needed to be protected because firing a hand gun is loud enough that it could damage the ears when not protected and in the same time if eyes is not protected and the hand gun could have any complication or dysfunction, it could affect the eyes.
<span>A(n)PRIMITIVE CHARACTER is one present in the common ancestor and all members of the group
Primitive character is also known as ancestral character in phylogenetics. It is defined as a characteristic that has undergone little change since time immemorial and is inherited from a common ancestor of a clad.
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Answer:
Explanation:
Since Mark's wife was a carrier, it means that she is heterozygous for the trait. And after Mark got tested, they decided to have children due to no increased risk if they do have children, it means the condition is not an autosomal dominant condition but a recessive condition because if the condition is dominant, only one copy of the affected allele is needed to increase risk.
Thus, with a no increased risk, it means Mark is normal i.e. carries no copy of the recessive allele.
Soil is a mixture of broken rocks and minerals, living organisms, and decaying organic matter called humus. Humus is dark, soft and rich in nutrients. Soil also includes air and water. Organisms in the soil need air and water to survive.
