Biology, 23.07.2019 19:30 promcafee8788
Oxygen has an atomic number of 8. the n = 1 energy level has two electrons, and the n = 2 energy level has six electrons. oxygen's valence is
Answers: 1
Biology, 21.06.2019 15:30, ehaynie
*will mark brainliest for first correct answer* which of the following is most likely to affect the biodiversity of a park ecosystem? a. less rain than usual for several months b. ongoing pollution from a nearby factory c. park rangers plant a new type of tree d. disease wipes out an entire population
Answers: 1
Biology, 21.06.2019 18:00, dereklilgoat
How had the study of mitosis affected scientists knowledge of cancer
Answers: 1
Biology, 22.06.2019 01:30, sharondot2398
Which best explains how a heat pump can heat a room? cold air from the house is moved through pipes, where it absorbs thermal energy. warm air from outside is pushed into the house to replace the cold air. combustion warms the air when chemical energy is transferred to thermal energy. fuel is used to move a piston, which pushes warm air into the house.
Answers: 1
Biology, 22.06.2019 05:10, gracethegreat1
Which of the following is not a potential result of deforestation?
Answers: 2
Oxygen has an atomic number of 8. the n = 1 energy level has two electrons, and the n = 2 energy lev...
Mathematics, 02.04.2021 08:00
Mathematics, 02.04.2021 08:00
Mathematics, 02.04.2021 08:00
Chemistry, 02.04.2021 08:00
Mathematics, 02.04.2021 08:00
Physics, 02.04.2021 08:00