What characteristics do geologists look for when observing a rock?

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).

How can you approximate the number of calories required to keep you in energy balance?

Explain how scientists use geologic time to determine the age of landforms.