Answer to #1:
<span>Kilograms
Explanation:
The base metric unit of mass is grams.
Pounds also measure weight, but they are part of the imperial system.
Answer to #2:
Mass
Explanation:
Mass is how much space an object takes up, it is the amount of matter in an object.
Volume, on the other hand, is how much space an object takes up.
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D. Because experimentation includes a control group. also, independent and dependent variables are part of an experiment they arent a type of research
Vestigial structures<span> are often homologous to </span>structures<span> that are functioning normally in other species</span>
Answer:
The pressure of the steam turns a generator, which produces electricity. The difference is in how the heat is created. Power plants that run on fossil fuels burn coal, oil or natural gas to generate heat. In a nuclear energy plant, heat is produced from splitting atoms – a process called nuclear fission.
