Answer:
Electrons can move from one substance to another when objects are rubbed together.
Answer:
The magma cools very slowly. As magma cools minerals are formed into an interlocking arrangement producing an igneous rock. As magma cools it undergoes reactions that form minerals. The rate of cooling is very important.
Explanation:
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Answer:
All the organisms of one kind in an ecosystem are called a population. For example, a pond ecosystem might have populations of frogs, waterlilies, insects, duckweed, and protists. Populations living and interacting with each other form a community.
Explanation:
Answer:
Tiredness. The person feels tired
Explanation:
If you eat too little, you may not obtain as much energy as you need. This will make you feel tired
The kidney or the liver one of those are correct you didn't give options
