Answer:
lithosphere
Explanation:
The lithosphere is the outer part of the earth, consisting of the crust and uppermost mantle.
The correct answer is c. Genetic Variation. Bacteria are very numerous, ad random mutation of bacterial DNA generates a wide variety of change, including resistance.
Answer:
Aquatic ecosystems include oceans, lakes, rivers, streams, estuaries, and wetlands. Within these aquatic ecosystems are living things that depend on the water for survival, such as fish, plants, and microorganisms. These ecosystems are very fragile and can be easily disturbed by pollution.
Explanation:
The answer is B because it makes the most logical sense and the rest of the answered are obviously incorrect, it’s screaming “I’m wrong!!!”
