Cells are the smallest unit of life
Answer:
True.
Explanation:
The diaphragm is like a pump; to bring in air, it opens up, pulling air in. To release it, it closes back down, forcing air out.
Answer: it is D : their motion increases
Explanation: because as heat is increased it causes the particles to gain more kinetic energy making them move faster thus increasing their motion and leading to more successful particle collision .
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A physical change occur when objects or substances undergo a change that does not change in which the composition of a substance changes or one or more substances combine or break up from new substances.
Answer:
Explanation:1. Fossil and other evidence indicates that the first major innovation in hominid evolution was: ______
a. increased brain size b. tool making c. material culture d. bipedal locomotion