Explanation:
The experimenter alters the independent variable with the hopes of collecting data about how the dependent variable changes in response.Other variables have to be controlled so that any changes of the dependent variable are attributed to the known independent variable.
A carbon atom has four electrons in it’s balance shell. as the maximum number of electrons that can be within the second shell of electrons is eight, it is able to bond with four other atoms in order to have a full shell of electrons.
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Answer:
3) bb
4) it is recessive because it skips generations and there are carriers. the parents don't have it, but they pass it on to their offspring
Explanation:
