A sample of water containing somehow and bacteria was kept in a container. After some days it was observed that only snowball existed. What is the reason for the disappearance of the bacteria?

What will happen to a population of predators if there is a sudden, temporary increase in the number of prey? a. the population of predators will be uniform with no change. b. the population of predators will increase first and then decrease slowly. c. the population of predators will increase continuously.

Identify the various levels of atmosphere. troposphere mesosphere exosphere stratosphere thermosphere

Twin boys have girlfriends one of the couples have a baby would the dna of the lil baby be the same as the couples dna bc the boys are identical twins