The geographic isolation of the erosion of the plateau. I hope this helps
Answer: A it orbits the sun
Explanation: For a planet to be a planet it must have a high enough mass to have a gravitational pull and must orbit the sun since Pluto does both it should be classified as a planet
Transport
The protein is working to transport substances across the membrane.
The correct answer is 1 second.
A period is a physical term which describes the time needed for one cycle of vibration to complete and reach a certain point. In this example, the term period refers to the time needed for one complete heartbeat to occur. Since 60 heartbeats occur in 60 seconds, then one heartbeat needs 1 second to complete.