Density involves the amount of a material in a certain
volume. When a material changes phases, it changes it
in density in a predictable way as the amount of
material stays the same but the molecules get farther
apart or closer together. Water has solid and liquid
states that do not follow these predictions of density in
the phases of matter.
Answers: 2
Biology, 22.06.2019 05:30
The vaccine in a flu shot contains weakened flu viruses. how does a flu shot work with the immune system? a. it destroys lymphocytes. b. it destroys macrophages. c. it activates macrophages. d. it activates lymphocytes.
Answers: 3
Biology, 22.06.2019 09:30
Parthenogenesis is a type of reproduction that does not require a mate. itβs rarely seen in birds and higher vertebrates. parthenogenesis involves the formation of a zygote. but this zygote is formed without fertilization. in parthenogenesis, in the absence of a male gamete, the ovum develops directly in the zygote.
Answers: 1
Biology, 22.06.2019 10:00
In what part of the body does the most muscle activity happen?
Answers: 1
Density involves the amount of a material in a certain
volume. When a material changes phases, it c...
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