Which factor activates a convection current, starting the flow of a fluid?

cold temperatures at the north pole

iron-rich rocks in the mantle

heated liquids at Earth's surface

temperature differences in the mantle

Which conclusion can be made from the data in the table? The higher the temperature, the fewer chirps there will be in 10 seconds.

Milicent finds a plant in her backyard. It is tall and has large cones. What did Milicent find?

What does blood carry in one direction

Can you guys name all the koalas species

The galapagos islands are home to many species of finches three finches their relative beak size and their preference of food is represented in the chart below which process allows for the evolution of finches over time

What mineral is used as a coating for steel?

How do earthquakes at divergent plate boundaries differ from those at convergent plate boundaries? Earthquakes at divergent boundaries are deeper and more severe. Earthquakes at divergent boundaries are almost always larger.

Salvador would like to take a paternity test to determine if he is Pilar's father. He asks Pilar's mother, Antonia, to provide DNA samples for both her and Pilar. Which technique will most likely be used to compare the three DNA samples?

What is not a a form of passive transport

12. When a plant grows on the shade