Answer:
A. An orbital
Explanation:
Electrons are found on orbitals surrounding the atom.
I'm not sure but but i think the answer will be:
A. additive genetic variance times the selection differential.
An experiment is used to establish cause and effect relationship.
<h3>What is an experiment?</h3>
An experiment is used to establish cause and effect relationship. When you carry out an experiment, you can be able to tell the effect o the dependent variable on the independent variable.
Now imagine that you want to carry out an experiment using chocolate chip cookie recipes. One is made with cake flour and the other is made with regular flour.
The independent variable is the kind of flour that was used to make the cookies.
You could make the hypothesis that cake flour works better than regular flour. After the experiment, you may now decide is the hypothesis was confirmed or disproved.
Learn more about experiment:brainly.com/question/11256472
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Answer:
Learning became less important as people moved to rural areas.Loss of a common language
Explanation:
i googled it
Chloroplasts<span>. </span>inside plant cells in small things.