<span>There are three major groups of mammals, categorized on the basis of their method of reproduction. Monotremes lay eggs to have children instead of having the mother bear them. The second type of mammal is the marsupial, which are non-placental animals who carry their young in their pouches. Eutherians are the third group who are placental mammals.</span>
Answer: Divide each weight expressed
Explanation: If your first test is 20 percent of your grade, divide 20 by 100 to get 0.2. If your second test is worth 30 percent and your final test is worth 50 percent, divide 30 and 50 by 100 to get 0.3 and 0.5.
The answer is A: The rough ER has visible ribosomes.
Nitrogen is a naturally occurring element that is essential for growth and reproduction in both plants and animals. It is found in amino acids that make up proteins, in nucleic acids, that comprise the hereditary material and life's blueprint for all cells, and in many other organic and inorganic compounds.
Answer:
Addition polymerization is a polymerization process that produces addition polymers. Addition polymers is a polymer that is formed by connecting or addition of the monomer units by a carbon-carbon bond without the use of other chemicals or without co-generation of other products.
It is different then condensation polymerization that co-generates other products or used other reactant chemicals. Polyyethene and polypropene are the examples of addition polymers.
