Answer:
C
Explanation:
If you have more than one variable then you wont know which variable caused the change. Hope this helped, if it did give it a thanks or whatever.
Answer:
Threats to the tundra biome
The oil, gas, and mining industries can disrupt fragile tundra habitats. Drilling wells can thaw permafrost, while heavy vehicles and pipeline construction can damage soil and prevent vegetation from returning. This activity also increases the risk of toxic spills.
What is the environment like in the tundra?
Tundra ecosystems are treeless regions found in the Arctic and on the tops of mountains, where the climate is cold and windy, and rainfall is scant. Tundra lands are covered with snow for much of the year, but summer brings bursts of wildflowers.
Explanation:
Brainliest please?
Answer:
look the explanation
Explanation:
The development of antibiotics has revolutionized the treatment of infectious diseases. However, antibiotic overuse is a major contributor to the development of antibiotic-resistant bacteria. Antibiotic resistance is a genetic trait.
C)All DNA is made of the same components so there would be no difference.
Is the answer.