A small rock lies on a slope near a tropical sea. What are three ways that the rock could be eroded?

1. During a rockfall, the rock could be carried down the slope.
2. Frost wedging could cause cracks in the rocks.
3. The heat of the sun could break down the rock.
4. Tall, powerful waves could carry the rock into the ocean.
5. The rock could react to seawater, break down, and be carried away by the sea.

Why should seat belts not be mandatory quick plz

Agroup of students is studying convection currents. they fill two identical balloons with the same amount of helium. one balloon is placed in a freezer and the other in an area with warm air. after 10 minutes, the balloons are released from a height of 1 meter. which of the following do the students most likely observe? question 2 options: the balloons rise at the same rate. both balloons are the same size. the ballons both rise. the cold ballon is larger than the warm balloon. the cold balloon expands and rises. the warm balloon shrinks and sinks. the warm balloon expands and rises. the cold balloon shrinks and sinks.

The discovery of the electron as a subatomic particle was a result of