Answer:
Two important measures of a population are population size, the number of individuals, and population density, the number of individuals per unit area or volume. Ecologists estimate the size and density of populations using quadrats and the mark-recapture method.
Explanation:
Answer: The Sahara
Explanation: The Sahara is the largest hot desert in the world, and the third largest desert behind Antarctica and the Arctic, which are both cold deserts.
<u>Answer:</u>
<em>The Stereographic projection is a type of map projection which would be used to locate the other side of the lake which cannot be seen.</em>
<u>Explanation:</u>
So basically <em>Stereographic projection is defined as a particular kind of mapping</em> in which it projects the entire sphere into a fine plane map.
Every projection in the map is defined on every part of the sphere but except one point which is called as the projection point.
<em>These maps are considered as smooth and bijective.</em>