Aspecies that is likely in the near future to become endangered would best be characterized as which of the following?
extant
threatened
extinct
dinosaurs

During sunny hours, a large amount of build up between the hours of 1: 00-5: 00 pm. a. ozone b. mercury c. lead d. sulfuric acid

What evidence supports the law of conservation of energy? a) mechanical energy is converted to chemical energy during photosynthesis. b) oxygen is made from the breakdown of carbon dioxide during photosynthesis. c)energy is absorbed by chlorophyll and becomes chemical energy during photosynthesis. d)the sun gives off light energy that is absorbed by plants.

Why does it matter if osmosis is put into a “scab” or a “nosebleed? ” where would that leave him?