What causes a cup of milk to freeze? a. cold air mixes with the milk. b. cold energy flows into the milk. c. heat energy flows out of the milk. d. warm air is released from the milk.

The third stage of cellular respiration is (2 points)

In a cladogram, what occurs at a node? a derived trait appears. evolution is stopped. an ancestor dies. the cladogram ends. aa as s as ss what are the chances that their offspring will have sickle cell anemia? 0% 25% 50% 100%

Hairs that clean dirt out of the air in your nasal passages are called: a. sinus b. trachea c. cilia d. mucus