Answer:
they are producers and they have means to keep themselves warm
Explanation:
I took test and saw answer.
Answer:
Period
Explanation:
horizontal is a period and verticle is a group
Answer:
B. electrons and protons.
Explanation:
In an electrically neutral atom of any element, there are equal number of protons and electrons in the atom.
Protons are the positively charged particles in an atom.
Electrons are the negatively charged particles within the atom.
When the number of protons and electrons are the same or equal, the atom is neutral.
But when there is an imbalance, an ion results.
The answer is: "FOUR (4)" .
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