Answer:
asteroids are made of metals or rocky materials while comets are made up of ice
Explanation:
The basic units of length and volume are based in the metric system, good luck!
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: