Answer:
Amount of sugar
Explanation:
An experiment has an experimental variable and a control variable. The amount of sugar is experimental variable in the give experiment. Here, boiling point of sugar solution would change in accordance to changes in the amount of sugar. Amount of water serves as control variable and is kept constant throughout the experiment.
Pick up earthworms gently with moist hands <span>describes how to appropriately handle live earthworms in a lab investigation.</span>
The answer is the recessive allele
Answer: 3. Atomic number
Explanation: Good luck! :D
<span>the one that best summarizes the concept of natural selection is : c. the fittest organisms survive and reproduce
take girrafe for example. In the past, there were girrafes with long necks and there were girrafe with short necks. The girrafe with short necks were unfit to live in the environment where they obtain their foods from taller trees. So , only the long necked one that managed to survive and reproduce</span>
