subject

Biology, 08.07.2019 12:00 etxchrissy

What gas was non existent 2.5 billion years ago

ansver

Answers: 1

Show answers

Another question on Biology

question

Biology, 22.06.2019 16:30

Which part of the spine is likely to cause a nerve signal to travel faster? a. backbones b. white matter c. nuclei d. gray matter

Answers: 2

question

Biology, 22.06.2019 18:30

In which order does sexual reproduction take place in plants? a. pollination, germination, fertilization b. germination, fertilization, pollination c. pollination, fertilization, germination d. fertilization , pollination, germination

Answers: 1

question

Biology, 22.06.2019 20:00

Are humans interfering with or a part of evolution happening today? find examples of evolution seen in recent history that could be caused by human activity.

Answers: 2

question

Biology, 22.06.2019 22:00

Which nutritional supplement is correctly paired with the health issue it addresses? which nutritional supplement is correctly paired with the health issue it addresses? vitamin c supplementation prevent depression. calcium supplementation increases iq. vitamin e supplementation prevent birth defects. vitamin b12 can vegans maintain health?

Answers: 3

You know the right answer?

What gas was non existent 2.5 billion years ago...

Questions

question

Business, 01.07.2021 22:40

Explain the preferred use of historical cost as the basis for recording property and equipment and intangible assets. g...

question

Business, 01.07.2021 22:40

Establishment Industries borrows $890 million at an interest rate of 8.5%. Establishment will pay tax at an effective rate of 21%. What is the present...

question

Engineering, 01.07.2021 22:40

Using 1.5 V batteries, a switch, and three lamps, devise a circuit to apply 4.5 V across eitherone lamp, two lamps in series, or three lamps in series...

question

Physics, 01.07.2021 22:40

As it pulls itself up to a branch, a chimpanzee accelerates upward at 2.4 m/s2 at the instant it exerts a 260-N force downward on the branch. Find the...

question

Mathematics, 01.07.2021 22:40

The top and bottom ends of a windshield wiper blade are R = 24 in. and r = 14 in., respectively, from the pivot point. While in operation, the wiper s...

question

Engineering, 01.07.2021 22:40

Describe the motivation behind defining the cutoff frequency at the point where the gain is - 3dB as opposed to -4dB or -5dB....

question

Computers and Technology, 01.07.2021 22:40

The array more_restaurant_bills contains 100,000 bills! Compute the total charge for each one. How is your code different...

question

Business, 01.07.2021 22:40

a-2. Liquidation expenses are estimated to be $14,000. Prepare a predistribution schedule to guide the distribution of cash. Further, modify the tags...

question

Mathematics, 01.07.2021 22:40

Plz help i will give !! ...

question

Mathematics, 01.07.2021 22:40

Select the two figures that are similar to the 5 by 5 figure that is shown.

question

History, 01.07.2021 22:40

Classify the statements based on whether they show bias or reliability...

question

Mathematics, 01.07.2021 22:40

Please help SUMMER SCHOOL Question (what are the slope and the y-intercept of the line shown in the graph)

question

Social Studies, 01.07.2021 22:40

Moviegoers will frown at and give dirty looks to loud children and their parents. This is an example of a...

question

Spanish, 01.07.2021 22:40

Ngabe inkomo enjani isithole...

question

Mathematics, 01.07.2021 22:40

What would the height need to be for this curve to be a density curve? O 1/5 O 1/4 O 1/2 O 1

question

Biology, 01.07.2021 22:40

Draw a Punnett Square to show Queen Victoria and her husband Albert. Queen Victoria’s genotype will be XX^H and Albert will be XY. X^H indicates the f...

question

Engineering, 01.07.2021 22:40

Refrigerant-134a at 320 kPa and 40oC undergoes an isothermal process in a closed system until its quality is 45 percent. On per unit mass basis, deter...

question

Physics, 01.07.2021 22:40

A pilot drops a bomb from a plane flying horizontally. Where will the plane be located when the bomb hits the ground...

question

Social Studies, 01.07.2021 22:40

When the environment is stable, authority is centralized, and tasks and roles are able to be clearly defined and specified, a(n) culture is most appr...

question

Chemistry, 01.07.2021 22:40

More polar compounds are more strongly attracted to the surface of TLC plates, and thus appear lower on the plate. Less polar compounds appear higher...

More questions: Biology Another questions

Questions on the website: 13722367