Question

1. each day, earth receives 10,000 times the total energy used by all human beings. the source of this energy is ______

○ ocean tides
○ cosmic rays
○ the moon
○ the sun

Explanation:

The Earth receives a vast amount of energy daily, primarily from the Sun (solar energy). Ocean tides are powered by gravitational interactions (Moon, Sun), cosmic rays are high - energy particles from space (not the main daily energy source for Earth's surface), and the troposphere is a layer of the atmosphere (not an energy source). So the source of the energy where Earth gets 10,000 times the total energy used by all humans daily is the Sun. Assuming one of the options (the last one maybe labeled as "the Sun") is the Sun.

Answer:

Assuming the options are (from left to right or as per the order) and the last option is "the Sun", the answer is the option corresponding to "the Sun" (e.g., if the last option is D. the Sun, then D. the Sun). But from the visible text, if the last option is "the sun", then the answer is the option with "the sun" (depending on the exact option labels, but the correct source is the Sun).