Answer:
Over the last two centuries the dipole strength has been decreasing at a rate of about 6.3% per century. At this rate of decrease, the field would be negligible in about 1600 years. However, this strength is about average for the last 7 thousand years, and the current rate of change is not unusual.
e largest of the continents is Asia, which covers about 17.2 million square miles
At extreme latitudes, the midnight sun is usually referred to as polar day. That is in Winter.
Answer:
I will explain.
Explanation:
Lava comes in two primary appearances: Pahoehoe and aa. The reason why they have two different types of appearances is because the older aa in the photo has weathered and the iron in it has oxided somewhat, giving it a reddish and chunky appearance. It also moves fast. Pahoehoe has a flow that is comparatively smooth or a "ropy" surface. Pahoehoe doesn't have the chunky appearance.
Question 2's answer would be
Black soil that contains a lot of water.
Question 3's answer i believe would be soil surveys
Hope this helped!