subject
Chemistry, 02.09.2019 18:00 OoofIamdead

Ancient cyanobacteria released which assisted in creating the atmosphere as we know it today.
a. lead
b. oxygen
c. ore
d. hydrogen

ansver
Answers: 2

Another question on Chemistry

question
Chemistry, 21.06.2019 20:40
If equal masses of the listed metals were collected , which would have a greatest volume ? a. aluminum 2.70,b.zinc7.14,c.copper 8.92,d.lead 11.34
Answers: 2
question
Chemistry, 22.06.2019 07:00
Calculate the number of moles of ethane in 100 grams
Answers: 3
question
Chemistry, 22.06.2019 12:00
1. if you have a gas at 127 degrees c, what is it's absolute temperature (kelvin)? a. 200kb. 300kc. 400kd. 500k2. if you had a gas whose absolute temperature measured 45 k, what is that temperature in celsius? a. -228 cb. -300 cc. 125 cd. 112 c
Answers: 2
question
Chemistry, 22.06.2019 13:30
If the concentration of phosphate in the cytosol is 2.0 mm and the concentration of phosphate in the surrounding fluid is 0.1 mm, how could the cell increase the concentration of phosphate in the cytosol? a) passive transportb) diffusionc) active transportd) osmosise) facilitated diffusion
Answers: 3
You know the right answer?
Ancient cyanobacteria released which assisted in creating the atmosphere as we know it today.
Questions
question
Mathematics, 09.04.2021 02:20
Questions on the website: 13722361