Biology, 28.02.2020 19:18 MoneyMike42
Or the first time in five years California authorities have issued a first stage smog alert, warning people in some areas of unhealthy levels of ozone in the air. Smog contains several dangerous chemical compounds beside ozone: sulfur dioxide, nitrogen dioxide, and carbon monoxide. Since it would be impossible to wear gas masks like those in the picture, a reasonable plan would be to
A) stay indoors as much as possible to limit exposure during the alert.
B) wear cotton surgical masks outside to prevent exposure.
C) move to another state to avoid exposure.
D) distribute portable oxygen masks to all citizens.
Answers: 3
Biology, 21.06.2019 12:30, isamar4348
Which of the following is a difference between a food chain and a food web? selected: a. food webs contain both plants and animals. food chains only contain animals. this answer is incorrect. b. food webs show energy transfer. food chains show which animal eats which animal. c. food webs separate organisms by tropic level. food chains do not. d. food webs are a complex patterns of energy flow. food chains only show one line of energy flow.
Answers: 2
Biology, 22.06.2019 01:00, stodd9503
If water were a non polar molecule, how would its properties be different ? a.) water would be a much lighter molecule b.) water would be able to climb up inside plants c.)water would not be able to form hydrogen bonds d.) water would stick together much more strongly
Answers: 2
Biology, 22.06.2019 03:30, malaysiae6321
Beth’s hygrometer is reading a temperature of 30 c and a relative humidity of 65%. the humidity in the air is?
Answers: 2
Biology, 22.06.2019 19:00, Gimagg5549
Agroup of students are walking in the park and one of them takes a picture of a pollen grain that is been blown by the wind what caption can the student use for this picture
Answers: 1
Or the first time in five years California authorities have issued a first stage smog alert, warning...
Mathematics, 13.09.2020 18:01
Mathematics, 13.09.2020 18:01
Mathematics, 13.09.2020 18:01
Mathematics, 13.09.2020 18:01
Mathematics, 13.09.2020 18:01
Mathematics, 13.09.2020 18:01
Mathematics, 13.09.2020 18:01
Mathematics, 13.09.2020 18:01
Mathematics, 13.09.2020 18:01
Mathematics, 13.09.2020 18:01