Answer:
C: Exoskeleton
Explanation:
Unlike humans and other mammals, many insects and crustaceans alike have this tough outer layer that looks similar to a skeleton! This would be identified as its exoskeleton.
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Answer:
Blood absorbs and distributes heat throughout the body. It helps to maintain homeostasis through the release or conservation of warmth. Blood vessels expand and contract when they react to outside organisms, such as bacteria, and to internal hormone and chemical changes.
Answer:
The correct answer is option 3.
Explanation:
Chronic bronchitis normally occurs with respiratory infection after the age of 35 where is emphysema occurs after the age of 50. There is usually a persistent,
productive cough of copious mucopurulent sputum where is in emphysema there is no cough or scant if any high breathing sound.
Thus, the correct answer is option 3.
Answer:
The correct option is A.
A. Small test pits can be conducted in an undisturbed part of the surveyed area to find buried artifacts that may not be readily seen on the surface.
Explanation:
This is because archeological survey refers to the study , exploration and digging of sites to obtain archeological remains. The basic sim of this is to get remains that are not visible to man underneath.
usually , the sites are dug out by a shovel so as to determine whether the soil contains any archeological emains that cannot be seen on the surface. This involves the action of excavating the out something or remains especially an archaeological site.
<span>Southern generals remained able to engage Union forces without additional troops or supplies. </span>