my sis just took the test the answer is
B.) An atom is solid material.
or An atom is a solid sphere.
A formula unit is the empirical formula for an ionic compound. It is the lowest possible ratio of the cations and anions of a given ionic compound.
Answer:
B
Explanation:
The nucleus is made up of protons and neutrons, and electrons float around the neucleus in the electron cloud.
Carbon cycle shows is the continous movement of carbon in elemental and combined states on earth.
Steps :-
☆ Carbon moves from the atmosphere to plants. ...
☆ Carbon moves from plants to animals. ...
☆ Carbon moves from plants and animals to soils. ...
☆ Carbon moves from living things to the atmosphere. ...
☆ Carbon moves from fossil fuels to the atmosphere when fuels are burned. ...
☆ Carbon moves from the atmosphere to the oceans.
~ Benhemin360
Answer:
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