To what phenomenon did the speaker attribute the internal heat of the Earth? Why did he think this was correct?

These factors threaten north americas ecosystems

Which of the following east asian contries are a peninsula? a. china b. taiwan c. south korea d. mongolia

Compare the quantity in column a with the quantity in column b. pa p a is tangent to the circle at a. column a column b ap a p ax a x question 4 options: the two quantities are equal. the quantity in column a is greater. the relationship cannot be determined from the information given. the quantity in column b is greater.