Earth science couple of multiple choice

1. what is the classification of a rock formed from the cooling and classification of molten magma or lava?
a. sedimentary
b. igneous
c. metamorphic
d. carbonate

2. subduction and recycling of crust occurs at which type of boundary?
a. oceanic-oceanic convergent boundary
b. continental-continental transform boundary
c. continental-continental convergent boundary
d. oceanic-oceanic divergent boundary

3. which statement correctly compares seismic p-waves with seismic s-waves?
a. p-waves travel faster than s-waves and pass through through earth's liquid zones.
b. p-waves travel slower than s-waves and do not pass through earth's liquid zones.
c. p-waves travel slower than s-waves and pass through earth's liquid zones.
d. p-waves travel faster than s-waves and do not pass through earth's liquid zones.

4. what is the breakdown of rocks and minerals into smaller particles without a change in composition called?
a. mechanical weathering
b. igneous instrusion
c. metamorphic foliation
d. chemical precipitation