1. during the rock cycle, what forms when magma cools?

2.because igneous rocks are extremely hard, they cannot be changed into sedimentary or metamorphic rocks.
a. true
b. false

3. it is possible for sedimentary rock to be changed into __

4. what has to increase for metamorphism to occur?

5. when a rock undergoes heat and pressure, the minerals inside it may line up to form layers.
a. true
b. false

Based on the phylogenetic chart, which three statements are true about the relationship between the organisms? a human is more closely related to a mouse than a kangaroo.a platypus is more closely related to kangaroo than a mouse.a human and a kangaroo share common features because of a common ancestor.a platypus and a mouse are more closely related than a platypus and a kangaroo.a kangaroo and a mouse are more closely related than a mouse and a human.

What element is able to combine with itself and hydrogen to form large molecules ?

There are fewer than 100 naturally occurring elements in the universe, but there are millions of different unified substances. explain how this can be true.