Asubstance with a hardness of 8 will scratch a substance with a hardness of 7.

true
false

Which geologic feature would most likely be represented by contour lines john far apart from one another? a cliff a hill a plain a valley

Amale bird-of-paradise uses a dance to attract mates in which it flaps its tail feathers on the ground and jumps around a potential female mate. a different male bird-of-paradise does a similar dance but it jumps around the female in the opposite direction. the female bird is only attracted to one style of dance, in one direction. this is an example of speciation.

During the process of two rails or sides break apart and attract new nucleotide bases to form a new and complete strand.