The three states of matter are modeled in the heating curve seen here. Identify ALL of the changes that must take place for a substance to change state, from a solid to a gas.
A)
Pressure increases.
B)
Temperature increases.
C)
Particles spread apart.
D)
Kinetic energy increases.
E)
Particle motion increases.

Asun-sized star will spend most of its lifetime as a: white dwarf red giant protostar main-sequence star

In which situation has the independent variable for the experiment been changed? check all that apply. changed from counting the number of duckweed at day 0 and day 14 to counting them every day changed from testing duckweed growth in beakers to testing duckweed growth in large outdoor tanks changed from testing the effect of ph on duckweed growth to testing the effect of light levels on duckweed growth changed from testing the effect of acid ph on duckweed growth to testing the effect of basic ph on duckweed growth

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