Why do areas in the middle of a large continent generally have more extreme differences in temperature than areas near the coastline?

Oceans change temperature slowly and regulate the temperature of nearby land.

A company is designing a new laptop computer. The computer must not exceed a certain weight. Which of the following is the most likely reason to have a weight restriction for the computer?

to make it easier to transport the computer

In a food pyramid, which best explains why the number of organisms decreases from one trophic level to the next?
Consumers at the top level require more energy than the lower-level consumers.