The three means by which the early Polynesian sailors were able to navigate vast regions of the Pacific were by watching the motion of specific stars, weather and seasons of travel and direction, size and speed of ocean waves. The correct options among all the options that are given in the question are option "a", "b", "c".
- Map scale refers to the ratio between distance on a map and the corresponding distance on the ground.
- So, the option that goes with it is c. Measure the distance between places.
Hope you could get an idea from here.
Doubt clarification - use comment section.
Answer:
The main difference between longitude and latitude is that longitude is a measurement east or west of the prime meridian, while latitude is the measurement north or south of the Equator.
Explanation:
The correct answer is - True.
The Rocky Mountains are the longest mountain range in North America. They have almost a north-south direction. These mountains are going all the way from the Alaska and Canada in the north, through the eastern part of the United States, and to the Mexican frontier. This mountain range is divided into several parts, Arctic Rockies (in the north), Northern Rockies (in Canada), Middle Rockies (through most of the United States), and Southern Rockies (at the Mexican frontier).
Explanation:
The loss of trees and other vegetation can cause climate change, flooding, increased greenhouse gases in the atmosphere e.t.c.
