Biology, 18.02.2021 18:10 anonwarrior
Burning fossil fuels has changed the atmosphere by
producing a hole in the ozone.
increasing the concentration of carbon dioxide.
increasing the concentration of ozone in the atmosphere.
reducing the CFC's in the atmosphere.
Answers: 2
Biology, 21.06.2019 20:00
After reading the paragraph below, answer the questions that follow. researchers have created a robot that has a very thin leg that is moved by cardiac (heart) cells contracting in unison. the robot, made of a polymer similar to that used in making contact lenses, is bathed in heart cells with supporting cells, which then attach to the robot and provide movement as they contract. all of the cardiac cells working together can cause the robot leg to move in a way that individual cells could not. this is an example of a. emergent properties of cells. b. energy flow through an ecosystem. c. adaptation. d. internal environment regulation.
Answers: 3
Biology, 22.06.2019 01:50
Which statement best describes lactic acid fermentation? a. lactic acid fermentation is the first step of cellular respiration. o b. lactic acid fermentation is the final step of cellular respiration. re to berate c. in the absence of oxygen, cells release atp by breaking down lactose into glucose. e der lade res o d. in the absence of oxygen, cells release atp by breaking down glucose into lactate. ar
Answers: 1
Biology, 22.06.2019 03:00
20 points and brainlist 1. london has suffered from terrible air pollution for at least seven centuries. why is the city so prone to its famous “london fog? ” what did london do to get rid of its air pollution? 2. why does air pollution cause problems in developing nations more than in developed ones?
Answers: 2
Biology, 22.06.2019 15:50
Polar zones are cold and tend to be dry because of a pressure system of cold. low high
Answers: 1
Burning fossil fuels has changed the atmosphere by
producing a hole in the ozone.
incre...
incre...
Computers and Technology, 25.07.2019 18:20
Social Studies, 25.07.2019 18:20
Social Studies, 25.07.2019 18:20
History, 25.07.2019 18:20
Social Studies, 25.07.2019 18:20
Social Studies, 25.07.2019 18:20
Business, 25.07.2019 18:20
Business, 25.07.2019 18:20