Answer;
D. Rift valley
Explanation;
-A divergent boundary also called the divergent plate boundary is a linear feature that exists between two tectonic plates that are moving away from each other. Most divergent plate boundaries are underwater (Iceland is an exception) and form submarine mountain ranges called oceanic spreading ridges.
-Divergent boundaries are areas where plates move away from each other, forming either mid-oceanic ridges or rift valleys.They are constructive boundaries. Convergent boundaries on the other hand are areas where plates move toward each other and collide.
Answer:
Disease and Famine
Explanation:
If there is a disease that affects a type of plant, having other types of crops to rely on could save one from starvation. Also, only planting one crop in an area can change the pH and nitrogen levels in negative ways, so that eventually no plants can grow there. Not to mention the obvious balanced diet needed for a healthy body.
is a functional unit that results from interactions of abiotic, biotic, and anthropogenic components and are a combination of interacting, interrelating parts that form a unitary whole. Ecosystems vary in size. They can be as small as a puddle, or as large as the earth itself. Basically, any living and non-living things interacting together can be considered an ecosystem. Within each ecosystem, there are habitats that vary in size. A habitat is a place where a population lives. A population is a group of living organisms of the same kind living in the same place at the same time. Natural ecosystems are made up of abiotic factors such as air, water, rocks, and energy and biotic factors such as plants, animals, and microorganisms.
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The water cycle is the correct answer, the water evaporates, then condenses into clouds, and turns into rain and precipitation occurs.
Answer: This evidence reveals what our planet was like long ago. Fossils also show how animals changed over time and how they are related to one another.
Explanation:
