After one half life the perecent of parent atoms to daughter atoms in a sample is 25% parent and 75% daughter true or false

just did the assignment and the answer was #1 +2 n

metric time was an attempt to create a standard unit of time based off of 10, but it never took off an is not included in the metric system (si)

they all get energy from eating other animals, dead animals to be more precise.

hienas tends to steal pray from other animals. crows and vultures tend to eat dead animals and leftovers.

hope it ,

bioteacher101