Exfoliation or flaking of rocks due to expansion in extremely high daytime temperatures with contraction in extremely low night time temperatures is a form of:

a) erosion

b) physical weathering

c) chemical weathering

Which two factors contributed to creating a global culture? the creation of the united nations improvement in telecommunications health issues such as the ebola virus increased opportunities for global travel

'which of these statements about the scientific method is not true? all experiments must follow the same number of steps in the procedure. experiments may be repeated several times. some unexpected results can be beneficial. experimental results may or may not support the hypothesis.

What amino acid is coded for by this sequence after the mutation