If a person falls asleep, then their heart rate will decrease.
B.
If a pillbug becomes frightened, then it will roll up into a ball.
C.
It is better to live in a city than in the country.
D.
Why are plant leaves green?
Igneous rocks that cools very quickly when it forms may have a texture that is smooth and shiny with no visible grains.
Igneous rocks also called as magmatic rocks is one of the three main rock type present the other two being sedimentary and metamorphic rocks.These rocks are formed by cooling and solidification of magma or lava .
The magma is derived from from partial melts of rocks which are existing in the earth's crust or mantle.Melting is caused by one of the three processes increase in temperature, change in composition or decrease in pressure.
Igneous rocks are classified based according o their occurrence, texture, chemical composition or mineral content.According to their mode of occurrence they are classified as intrusive or extrusive igneous rocks.
Learn more about igneous rocks,here:
#SPJ6
carbon cycle:
nitrogen cycle:
As scientists work hard for the results, they may get biased and may sometimes come up with an answer that is based on that. In order to avoid such circumstances, scientific method is put into practice.
Explanation: