Answer:
A variable is the parameter over which changes can be made and observed so as to determine the outcome of the experiment. ... An independent variable is the one which can be changed or manipulated by the experimenter so as to observe the impact of such change over the dependent variable.
Explanation:
Ozone is a gas in the atmosphere that protects everything living on the Earth from harmful ultraviolet (or UV for short) rays from the Sun
Answer:
Correct
Explanation:
When combining more than two circles in a Venn diagram you have to actually mix in the colors where the intersections are so that you will be able to tell their differences.
Answer: Genetic variation within a species can result from a few different sources. Mutations, the changes in the sequences of genes in DNA, are one source of genetic variation. ... As a result, the tree-colored moths are more likely to survive, reproduce, and pass on their genes.
Explanation:
