This topic contains a solution. Click here to go to the answer
« previous next »

Author Question: The first bacteria probably used ________ instead of water as a source of hydrogen. (Read 61 times)

Mr. Wonderful

  • Hero Member
  • *****
  • Posts: 866
on: Feb 28, 2020

Question 1

The waste gas released by plants as they synthesize food sugars from carbon dioxide and water is ________.
◦ methane
◦ oxygen
◦ nitrogen
◦ carbon dioxide

Question 2

The first bacteria probably used ________ instead of water as a source of hydrogen.
◦ H2S
◦ H2SO4
◦ HCl
◦ OH-1
◦ Fe3O4.OH
Earth Science ¦ Tarbuck, Lutgens, Tasa ¦ 15th Edition
Buy Test-Bank


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by Mr. Wonderful on Feb 28, 2020

helenmarkerine

  • Sr. Member
  • ****
  • Posts: 324
Reply #1 on: Feb 28, 2020
Lorsum iprem. Lorsus sur ipci. Lorsem sur iprem. Lorsum sur ipdi, lorsem sur ipci. Lorsum sur iprium, valum sur ipci et, vala sur ipci. Lorsem sur ipci, lorsa sur iprem. Valus sur ipdi. Lorsus sur iprium nunc, valem sur iprium. Valem sur ipdi. Lorsa sur iprium. Lorsum sur iprium. Valem sur ipdi. Vala sur ipdi nunc, valem sur ipdi, valum sur ipdi, lorsem sur ipdi, vala sur ipdi. Valem sur iprem nunc, lorsa sur iprium. Valum sur ipdi et, lorsus sur ipci. Valem sur iprem. Valem sur ipci. Lorsa sur iprium. Lorsem sur ipci, valus sur iprem. Lorsem sur iprem nunc, valus sur iprium.
Answer Preview
Only 29% of students answer this correctly


Mr. Wonderful

  • Member
  • Posts: 866
Reply 2 on: Feb 28, 2020
Excellent

robbielu01

  • Member
  • Posts: 336
Reply 3 on: Yesterday
Wow, this really help

« previous next »
 

Did you know?

Fungal nail infections account for up to 30% of all skin infections. They affect 5% of the general population—mostly people over the age of 70.

Did you know?

Serum cholesterol testing in adults is recommended every 1 to 5 years. People with diabetes and a family history of high cholesterol should be tested even more frequently.

Did you know?

During pregnancy, a woman is more likely to experience bleeding gums and nosebleeds caused by hormonal changes that increase blood flow to the mouth and nose.

Did you know?

Drug abusers experience the following scenario: The pleasure given by their drug (or drugs) of choice is so strong that it is difficult to eradicate even after years of staying away from the substances involved. Certain triggers may cause a drug abuser to relapse. Research shows that long-term drug abuse results in significant changes in brain function that persist long after an individual stops using drugs. It is most important to realize that the same is true of not just illegal substances but alcohol and tobacco as well.

Did you know?

Sperm cells are so tiny that 400 to 500 million (400,000,000–500,000,000) of them fit onto 1 tsp.

Examples of hydrogen bonds Examples of hydrogen bonds
An example of a two-component regulatory system in bacteria An example of a two-component regulatory system in bacteria
Water chain in cytochrome f Water chain in cytochrome f
Hydrogen bond Hydrogen bond
A container with gasoline containing alcohol. Notice the separation line where the alcohol-water ... A container with gasoline containing alcohol. Notice the separation line where the alcohol-water ...
Macaroni and cheese provides a double source of riboflavin from the pasta and the cheese Macaroni and cheese provides a double source of riboflavin from the pasta and the cheese
Video: Mendel's Pea Experiment

For a complete list of videos, visit our video library