Explain why the galapagos island represent an example of geographic isolation

Density of salty water as compared to the density of pure water is(a) is less(b) is always equal(c) is always more(d) may be less or more

Transfer chemicals from one location to another to weather objects. a-water b-physical weathering c-chemical weathering

What is the mass of the water that is being heated? it requires 2,500 joules to raise a certain amount of water (c = 4.186 jig c) from 20.0°c to 60.0°c. o 159 o 40 g o 63 g o 80 g