Answer:
Mitosis is important to multicellular organisms because it provides new cells for growth and for replacement of worn-out cells, such as skin cells. Many single-celled organisms rely on mitosis as their primary means of asexual reproduction.
<span>When a currency is weak, barter (choice D) may become the trading medium of choice. This has happened many times over the years: examples include Germany in the mid-20th century and Sub-Saharan Africa over the past half-century, in many countries. The currency became so devalued that trading objects themselves became of more utility for consumers than the actual printed currency.</span>
Answer:
D. the researcher controls for the effects of all variables except one.
Explanation:
Controlled experiment refers to an empirical test that is manipulated directly by a scientist to test a single variable at one point in time. The testing variable is the independent variable which is manipulated to see the effects on the system under observation. To minimize the effects of controlled variable on the subject, the controlled variables are controlled accordingly.
Answer:
A
Explanation: I literally JUST took the test.
The goal of the framers (the Founding Fathers) was to strenghten the Articles of Confederation, that is the first written constitution of the United States. In the end however, they wrote a new Constitution.