Chemistry, 15.04.2021 01:00 emiliapizzillo
Cells exchange materials with the environment around them. What is the main reason for this?
A.
to replace damaged and dying cells
B.
to keep the cell membrane functioning
C.
to release energy into the environment
D.
to get rid of wastes and take in nutrients
Answers: 3
Chemistry, 21.06.2019 15:10
Seawater contains approximately 3.5%nacl by mass and has a density of 1.02 g/ml. what volume of seawater contains 7.5 g of sodium?
Answers: 2
Chemistry, 22.06.2019 04:30
When the water vapor cools it condenses select a number that represents his process on the
Answers: 3
Chemistry, 22.06.2019 07:30
Plz mark brainliest 30 points 1) find the momentum of a 12 kg snowball that is rolling with a velocity of 9 m/s. 2) an 8 ball with a mass of .5 kg is sitting at rest. it is hit by the cue ball (1 kg) traveling at 2.5 m/s. if the cue ball is at rest after the collision, how fast is the 8 ball traveling after the collision? 3) two football players are running toward each other. if the offensive player is 75 kg and is running 8 m/s, how fast must the 60 kg defensive player run in order for the two players to hit and stop?
Answers: 1
Chemistry, 22.06.2019 18:30
How many moles of bromine are needed to produce 3.23 moles of potassium bromide
Answers: 1
Cells exchange materials with the environment around them. What is the main reason for this?
A.
Mathematics, 03.05.2021 20:20
Chemistry, 03.05.2021 20:20
Advanced Placement (AP), 03.05.2021 20:20
English, 03.05.2021 20:20
Health, 03.05.2021 20:20
Chemistry, 03.05.2021 20:20
English, 03.05.2021 20:20