Physical Science is the study of A).matter
B).all answers are true
C).energy
D).how matter and energy interact

Physical sciences consist of disciplines such as physics (the science of physical objects), chemistry (the science of matter), and astronomy (the science of celestial objects). Earth sciences consist of disciplines such as geology (the science of the earth).

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as resources become scarce because of population growth, the growth decreases after few years due to lack of resources and food.

i think the answer is b.