Where do convection currents occur A. in areas with the same altitude
B. in areas with different pressures
C in areas with different cloud types
D in areas. with the same temperature

Explain how paleontologists use trilobite fossils as index fossils for various geologic time periods.

There are two tomato plantlets one of them is kept in an oxygen chamber with a light source and another is kept in sunlight. both of them are watered regularly what will be the observation after two weeks

What do scientific models predict will happen to earth's temperature if current trends continue unmitigated? a. earth will heat and cool in a natural cycle b. earth will heat up and then return to an ice age c. earth will continue to warm at a rate of 0.25 c per decade d. earth will start to cool at a rate of 0.25 c per decade appex