subject

Biology, 02.11.2020 18:10 NotCJ126

Throwback Question: Scientists theorize that it took a billion years or more for oxygen in the atmosphere to reach the levels of today. Based on this idea, the first cells could be classified as which of the following? 1 point
aerobic
anaerobic
eukaryotic
protista

ansver

Answers: 2

Show answers

Another question on Biology

question

Biology, 22.06.2019 08:00

Can create a hboth of these instruments can measure wind speed. doppler radar and psychrometer anemometer and hygrometer doppler radar and anemometer radiosonde and psychrometer

Answers: 3

question

Biology, 22.06.2019 13:00

Plz ! what does it mean for an allele to be dominant?

Answers: 1

question

Biology, 22.06.2019 14:10

The diagram shows a chicken embryo and a human embryo

Answers: 1

question

Biology, 22.06.2019 15:00

Which of the following must be true for a fossil organism to be useful as an index fossil? a. the fossil organism must be widespread geographically. b. the fossil organism must be abundant. c. the fossil organism must be limited to a short span of geologic time. d. all of the above.

Answers: 1

You know the right answer?

Throwback Question: Scientists theorize that it took a billion years or more for oxygen in the atmos...

Questions

question

Chemistry, 05.10.2019 13:00

Abeaker containing a chemical reaction feels hot to the touch. according to the law of conservation of energy, what best predicts the sta...

question

History, 05.10.2019 13:00

Which nation was part of the axis powers? great britain italy france sweden...

question

Chemistry, 05.10.2019 13:00

Examine the equation. c3h8 + 5o2 → 3co2 + 4h2o what are the roles of the substances in the equation? the substanc...

question

Biology, 05.10.2019 13:00

In a series of experiments, avery treated heat-killed nonvirulent s bacteria with enzymes that degraded the proteins, dna, and rna of the s bacteria,...

question

Mathematics, 05.10.2019 13:00

Change .45 to a fraction in lowest terms....

question

History, 05.10.2019 13:00

Which problems have rapid industrialization and economic development contributed to in sub saharan africa? select all that apply. a) decl...

question

History, 05.10.2019 13:00

Ineed with this as fast as you can ill give 30 points . write a second paragraph that explains whether you think the federal government...

question

Mathematics, 05.10.2019 13:00

42 students ran in a race. a third of them dropped out in the first half of the race. only a fourth of the remaining runners actually did complete the...

question

Chemistry, 05.10.2019 13:00

How many grams of agno3 are needed to prepare a 0.25 m solution in 500 grams of water? question 2 options: 125 g 0.125...

question

Biology, 05.10.2019 13:00

In rock layers, jellyfish fossils are found lower than trilobite fossils, and trilobite fossils are found lower than ammonite fossils. what can be det...

question

Social Studies, 05.10.2019 13:00

Locke, harrington, hobbes, and rousseau would most likely agree that a. the state developed out of force b. the state exsists to se...

question

English, 05.10.2019 13:00

Which statement about notification writing is accurate?...

question

Mathematics, 05.10.2019 13:00

What is the simplified form of the following expression? (x10)(x2)...

question

Mathematics, 05.10.2019 13:00

Jed made 2 freethrows in 5 seconds. how many would he make in a minute?...

question

English, 05.10.2019 13:00

Which word would be a synonym for the word exile as it is used in the third paragraph? a) host b) comic c) rescuer d) cast out...

question

Mathematics, 05.10.2019 13:00

Find measure of marked angle with the third term of triangle on outside...

question

Mathematics, 05.10.2019 13:00

Take 2y 2 - 3y - 5 from y 3 - 6y 2 + 5y...

question

Mathematics, 05.10.2019 13:00

Abag contains 60 marbles, some blue and some green. the ratio of blue marbles to green ones is 1 : 5. how many blue marbles are there?...

question

English, 05.10.2019 13:00

Which sentence uses commas correctly? a. so then, silly boy what do you plan, to do about this mess? b. stop, children stop! c....

question

English, 05.10.2019 13:00

What is thoreau's central idea in civil disobedience? a. the ability of government to control others b. the importance of trade in government c. the...

More questions: Biology Another questions

Questions on the website: 13722359