Answer:
<em><u>Primary Data </u></em><em><u>Sources-:</u></em>
- Autobiographies and memoirs.
- Diaries, personal letters, and correspondence.
- Interviews, surveys, and fieldwork.
- Internet communications on email, blogs, listservs, and newsgroups.
- Photographs, drawings, and posters.
- Works of art and literature.
Answer:
physical
Explanation:
is an area where animals and plants are
Homeostasis is the regulation of internal conditions, for example, when you get hot you sweat to keep a stable body temperature. In this case, you are looking for what is regulating conditions inside the cell. The semipermeable membrane within the cell regulates what goes in and out of the cell to make sure that it doesn't take in or give up too many nutrients, and lysosomes get rid of bacteria in the cell so it can continue to function.
I can't answer if you don't show what the answer choices are
Exposure to Teratogen can cause defects if a foetus is exposed to it. There are several kinds of teratogens that can range (as mentioned in the question) from a chemical to a virus or radiations. Teratogen is the term used for any such agent that can result in harming the unborn baby due to exposure to it.
