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 is. D
Hope that helps
Answer: Expert Verified. Assuming that this question is referring to fermentation using yeast to convert sugars to alcohol and carbon dioxide. ... The yeast cannot survive in this environment and will die. So alcohol and carbon dioxide production will cease.
Explanation:
Answer:
Autotrophs. An organism like a green plant that can make its own food are called an autotrophs. Autotrophs can make their own food through the process of photosynthesis. Photosynthesis is present in these organisms, a mechanism where they gather, water from the soil, heat from the sunlight though the pigment called chlorophyll and carbon dioxide in the air to manufacture and generate its own food. Autotrophs are also the primary sources of food in the food chain which contains immense amount of calories.
Explanation:
The answer would be c in my opinion because less people means less population