Answer:
it is said that the Ice Ages began 2.4 million years ago and ended approximately 11,500 years ago.
Explanation:
During this time Carbon-Dioxide (a poisonous and warming gas) levels rose dramatically by about 180 ppm to 280 ppm.
This caused the major retreat of glaciers that ran across continents...
There were other gases but they were in VERY small amounts...
(APART FROM OXYGEN)
The anticlines represents ridges or folds of stratified rocks, with the strata being sloping downwards from the crest.
The synclines represent through or folds of stratified rocks, with the strata being sloping upwards from the axis.
Both of these features are formed in the same manner, by compression. They are also part of a same geological occurrence. Both of them are curved, and seen from side perspective, they are representing one whole, and they look like a wave.
The difference is mainly that the anticlines are always above and they slope downwards, while the synclines are always on the bottom and slope upwards.
The anwser is B. On a steep slope where the climate is dry.
Answer:
1. 21 students chose adventure books as their favorite type of book.
2 .17 students chose mystery books as their favorite type of book.
3. 8 students chose nonfiction books as their favorite type of book
4. The total number of students who voted on their favorite type of book is 60
Explanation:
you need to add all the numbers (the horizontal are also considered)
Usually volcanoes (where the plates benethe the earths crust meet)