Question

2. Fill in the blanks.
a. Another name for the core___ is due to the presence of nickel and iron.
b. Igneous rocks are also known as_____rocks as they were the first rocks to form.
c. Intrusive igneous rocks are usually______grained.
d. Metamorphic rocks are_____ often due to the great effect of heat and pressure.
e. Rock contain_______that give us important insights into the past.
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Answer 1

Answer:

b) magnetic rocks

d) blast because of heat