9. Mantle rock is A) more dense
C) lighter
than crustal rock.
B) less dense
D) the same density

Hurry which of these is true about index fossils? a) are very scarcely found b) used as guides in relative dating c) found in the youngest layer of the rock d) used as reference points in absolute dating

All vaccination should(n’t) be mandatory! 1.at least 5 sentences explaining 2.why? 3.in the end summarize the sentence

Drag each label to the correct location on the chart. match the function to the type of tissue