Which of the following red color of soil and rocks in deserts is caused by chemical weathering. There are thin soils in deserts.

There is no chemical weathering in deserts.

Most weathering in deserts is physical weathering.

Flock x flock y flock z total pieces of food eaten (from previous page) 147 93 60 food percentage* % % % simulated number of birds in flock for 3rd generation** * divide each flock's total pieces of food by 300, the total number of pieces of food eaten. ** multiply the food percentage for each flock by the total number of birds (30).

World class speed skaters can skate a 3,000-m course in about 4 minutes. what is their average speed for this course. a. 12.5m/s b. 1.33m/s c. 13.3m/s d. 1.25m/s

In the practice of science, this type of reasoning is used to develop explanations.