Answer:
Alpine tundra areas are found only at high elevations.
Explanation:
The arctic tundra is a specific region that covers the northernmost parts of the world from the north pole and extending south, whereas alpine tundra are found across the world at high altitudes.
Answer:
1) Amphibians have smooth and moist skin while reptiles have dry and scales are present on their skin.
2) Amphibians lay eggs which are very soft so they are covered with a jelly like substance while reptiles also lays egg whose outer covering is tough.
3) Amphibians lays egg in the water while reptiles lays egg on the land.
Examples of amphibians are frog and salamander and examples of reptiles are snake and alligator.
A) The data to support his hypothesis, so he should investigate if the same change happens in the density of solid water.
2................................................
First one is Model and second one is Inference
