Which regions receive the least solar radiation throughout the year? Which regions receive the most solar radiation throughout the year?
What happens to temperature as latitude decreases?

Answers:
Polar
Tropics
Temperature increases

Click the item in the left column. use the plus sign to move it up or the minus sign to move it down until it matches the correct entry in the right column. lock your answer in place by clicking the square beside the item. (a checkmark means it is locked.) amazon basin a atacama desert b andes mountains c lake titicaca d peru e patagonia f brazil g chile h suriname

Brian's school locker has a three-digit combination lock that can be set using the numbers 5 to 9 (including 5 and 9), without repeating a number. the probability that the locker code begins with a prime number is %. the probability that the last digit of the locker code is an odd number is %.

In the following diagram, four different index fossils are labeled: which of the labeled fossils comes from the oldest organism? a b c d