4 of 10
Which of the following is not true about the composition of magma?
A
B
Effusive magma creates effusive
eruptions. The pressure builds but
the lava flows fairly quietly.
Mafic lavas are less viscous and
erupt effusively
с
D
Lavas that cool underwater
become pillow lavas.
Felsic lavas are more viscous and
erupt explosively or do not erupt.

The independent variable is the type of music.the dependent variable is the pulse rate.the intervening variable is the age of the subject.if the mother does not like rock, her pulse is likely to not increase.the same might be true for the sister.the friend may like rap and gets excited.to establish cause/effect relationship, all of the subjects must be consistent.hope i .

Polygon is ur