Geography, 28.09.2019 05:30 ester32152
Consider a sample of water from a stream found to have an initial do of 10.0 mg/l. it is placed directly into a bod bottle and incubated for 5 days at 20c. after 5 days, the do is found to be 5.0 mg/l. what is the bod5 for this sample (mg/l)?
Answers: 3
Geography, 23.06.2019 06:40, hlgerardip4wbhx
Ozone in the upper atmosphere has been depleted by a. sulfur dioxide. b. chlorofluorocarbons. c. carbon dioxide. d. oxygen.
Answers: 1
Geography, 23.06.2019 10:00, josephrosanne18
Which city area has the most accessible oil reserves a) caspian sea b) siberia c)arctic coast d)lake baikal
Answers: 1
Geography, 23.06.2019 12:30, nisha87
Acivilization exists for several hundred yeaars, developing its own language. such a civilization probably has been: a. farming corn b. suffering from a lack of contact with the outside world. c. isolated by mountains or some other physical barriers. d. starving from lack of trade.
Answers: 1
Consider a sample of water from a stream found to have an initial do of 10.0 mg/l. it is placed dire...
Physics, 11.10.2021 06:30
English, 11.10.2021 06:30
Mathematics, 11.10.2021 06:30
Mathematics, 11.10.2021 06:30
Mathematics, 11.10.2021 06:30
Physics, 11.10.2021 06:30
Mathematics, 11.10.2021 06:30
Mathematics, 11.10.2021 06:30