Answer:
Explanation:
To calculate number of organism in the population can be calculated as thus.
20/100 = 0.2
Total population = 165 X 0.2 = 33
Answer:
Analysis
Explanation:
This is the process of analyzing and organizing data in tables, graphs, etc. A. experimentation is wrong because it is testing your hypothesis. You take data from experimentation. D. hypothesis is wrong because a hypothesis means thinking of what you THINK will happen in your experiment using an if, then statement. hope this helped!
Humans disturb the earth and because of this, the earth is weakened.
Crystallization
This is a technique commonly done by chemists to purify compounds. During crystallization, an impure,solid compound is dissolved with a hot solvent. In the container the impurities and the needed compound move freely. When the solution cools down, the solvent can cannot hold all the solutes. Each solute will form a crystal. Therefore each crystal is made of only one molecule. Once it cools down if will be placed in a cold bath to complete the crystallization.
