Answers: 3
Biology, 21.06.2019 18:40
The oxidizing agent our bodies use to obtain energy from food is oxygen (from the air). if you breathe 15 times a minute (at rest), taking in and exhaling 0.5 l of air with each breath, what volume of air do you breathe each day? air is 21% oxygen by volume. what volume of oxygen do you breathe each day?
Answers: 1
Biology, 21.06.2019 22:00
Living cells cannot use heat to provide the activation energy for biochemical reactions because which choice(s) complete the sentence correctly? a) answer choice ii. eliminate b) answer choices ii and iv. c) answer choice iii and iv. d) all answers can complete the sentence.
Answers: 1
Biology, 22.06.2019 01:30
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 02:00
Sara goes on a slingshot ride in an amusement park. she is strapped into a spherical ball that has a radius 3*10^2 of centimeters. what is the volume of air in the spherical ball? use this formula: volume of a sphere=4/3pi,r^3 , where r is the sphere’s radius.
Answers: 1
Organism A and organism B are both classified in the same phylum. Which additional information about...
English, 23.02.2022 15:40
SAT, 23.02.2022 15:40
Mathematics, 23.02.2022 15:40
Mathematics, 23.02.2022 15:40
Mathematics, 23.02.2022 15:40
Mathematics, 23.02.2022 15:40
SAT, 23.02.2022 15:40
Mathematics, 23.02.2022 15:50
SAT, 23.02.2022 15:50
Computers and Technology, 23.02.2022 15:50