The correct answer is pretest and posttest .
A pretest/posttest experiment is an experiment that includes double measurements at multiple points in time. In this kind of test, measurements (measurement of dependent variable) are taken both before and after a treatment.
Answer:
GGC-UAA
Explanation:
C bind with G, T bind with A, Thymine is not present in mRna so U will bind with A
1. Smoking
2. Weight
3. Alcohol
4. Drugs
5. Depression
Answer:
D. They define geological periods because scientists use them as reference points for tracking the history of the earth.
Explanation:
Catastrophic events related to changes in geological timeline are very useful in defining geological periods.
These events have very significant appearance in the geological record and can be used to determine the history of the earth.
The catastrophic events usually culminates into extinction cycles or termination of some organisms from the earth surface.
Geologists use these events that are often wide spread to delineate geological periods.
Answer:
amino acids , glucose
Explanation:
Proteins are digested to form amino acids
starch is broken down to form glucose
