Answer:
C. Carbon, nitrogen
Explanation:
Nucleic acids contain C, H, O, N, and P. Amino acids contain C, H, O, and N (no phosphorous).
White-collar workers were introduced into the realm of modern social science at the end of the nineteenth century. The starting point was twofold: (1) the notion of a growing number of occupations, employments, and functions that shared many traits of the working class while at the same time differing in important aspects from manual workers as well as from the higher social strata; and (2) the exceptional rapid growth of these categories in the decades around the turn of the century, which even outdid that of the manual workers.
All of the following (corals, jellyfish, and sea anemones) have only one opening into their digestive system, except roundworms, which have more than one.
Yes lunar phases can and do follow a pattern and they can be predicated
Tissues are groups of cells that work together to form a specific function.
An example of a tissue is muscle tissue. There are three types of muscle tissue: cardiac, skeletal, and smooth.
These tissues are comprised of cells which work together to form a function - in the case of cardiac muscle tissue, these cells work together to keep the heart pumping blood (to keep it simple).