Answer: 1 is a, 2 is b, 3 is c, and 4 is d.
Explanation:
Answer:
b.
Explanation:
A population, in biology, is the number of a certain species that live together in a certain location
Answer:
a There is probably life on Mars.
Explanation:
A scientific theory is basically an opinion that has not been proved or disproved yet.
All of the other options are true science-backed facts.
<em>Hope this helps! Please let me know if you need more help, or if you think my answer is incorrect. Please rate and click the Thanks button if it helped you out. Brainliest would be MUCH appreciated. Have a great day!</em>
<em>Stay Brainy!</em>
<em>−</em><em>Kallmekrish</em>
<em>The future belongs to those who believe in the beauty of their dreams.</em>
<em>- Eleanor Roosevelt, Former U.S. First Lady</em>
There are several "downsides" to extensive use of synthesized nitrogen-containing fertilizers; it contributes to algal blooms and dead zones in bodies of water, nitrogen is usually considered as a highly effective and economical fertilizer. However, the repeated use of the chemical can cause an imbalance in the pH of the soil, eventually leaving it unusable for growth of any kind.
