The boundary between the Nazca plate and the South American plate involves oceanic crust moving towards
continental crust.
What do you expect to form at this boundary?

An ocean trench and a chain of volcanoes

A rift valley

New oceanic crust

A mid-ocean ridge

What percentage of light hits earth's surface directly?

Asolution of an enzyme and a substrate was placed in a water bath and the temperature of the reaction was raised gradually. the graph shown was plotted at the end of the experiment. what can be concluded from the graph? a) temperature has no effect on the activity of the enzyme. b) the effect of temperature on the enzyme is unpredictable. c) the enzyme shows increased activity up to a certain temperature. d) the activity of the enzyme is inversely proportional to the temperature.

Asmall population of chimpanzees lives in a habitat thant undergoes no change for a long period of time. how will genetic drift affect this population