A.<span> Air pollution............................</span>
Option 1 is the correct answer
The solar system is composed of the sun and the planets.
<h3>What is the solar system?</h3>
The solar system is composed of the sun and the planets. The sun lies at the center of the solar system and the planets move around the earth in concentric circles.
Given that the earth is the only inhabited planet, it holds a central place in the solar system. The moon is a non luminous surface. It reflects the light that hits it from the sun to the earth.
The sun and other stars are the luminous bodies in the solar system.
Learn more about solar system:brainly.com/question/12075871
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Answer:
15. Cell 4 and Cell 7 will not be able to synthesize a major biological molecule. What molecule is this? Protein.
Answer:
C
Explanation:
The moon revovles around the sun. While the moon goes around the earth, some half of the moon will be lighted up by the sun. The other side will always be in darkness. Hope this helps :)