Aman weighs 645 n on earth. what is his mass?

-9.80 kg
-145 kg
-65.8 kg
-6320 kg

Grasses--> mice--> cats--> coyotes suppose 10,000 units of energy are available at the level of the grasses. what is the total number of energy units lost by the time energy reaches the coyote?

If a cell is placed into a hypertonic environment, what will happen to it ? a)it will shrink or shrivel b)nothing c)it will burst d) it will expand or enlarge

True or false: the ribosome reads the sequence of codons in mrna.