Petroleum : n
aluminum : r
dirt : r
salmon : r
coal : n
Answer:
Chain surveying is the type of surveying in which only linear measurements are made in the field. The main principle of chain surveying or chain triangulation is to provide a framework consist of a number of well-conditioned triangles or nearly equilateral triangles. It is used to find the area of the field.
Explanation:
Answer:
it is the only environment capible of sustaining life.
Explanation:
it has oxygen, water, and its the right temp. those are all needed for life, with them we would not survive.
Answer:
The Orpheus theory, which says that a planet-sized body once collided with Earth and that it sent some of the material into orbit, forming the moon.
Answer:
b)a pattern
Explanation:
Because he saw the pattern of movement of Jupiter repeatedly
