All topsoil was destroyed after a volcanic eruption. which process does this series of photographs best describe?
climate change
pollution
primary succession

What makes the results of a scientific experiment accurate? a) having multiple trials b) lacking any supporting data c) working in a lab d) using a hypothesis that is always true

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.

How do diseases caused by bacteria and diseases caused by viruses react to antibiotics?