The nucleus of an atom has a positive electric charge. true or false

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).

What did hunter gathers do to alter the environment?

Explain why the plants cortex would serve as the best food source for animals