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 85 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
Thanks for the timely response, appreciate it

sailorcrescent

  • Member
  • Posts: 334
Reply 3 on: Yesterday
Wow, this really help

« previous next »
 

Did you know?

In 1864, the first barbiturate (barbituric acid) was synthesized.

Did you know?

On average, the stomach produces 2 L of hydrochloric acid per day.

Did you know?

The human body's pharmacokinetics are quite varied. Our hair holds onto drugs longer than our urine, blood, or saliva. For example, alcohol can be detected in the hair for up to 90 days after it was consumed. The same is true for marijuana, cocaine, ecstasy, heroin, methamphetamine, and nicotine.

Did you know?

Elderly adults are living longer, and causes of death are shifting. At the same time, autopsy rates are at or near their lowest in history.

Did you know?

Egg cells are about the size of a grain of sand. They are formed inside of a female's ovaries before she is even born.

Otitis media. This illustration shows an inflamed tympanic cavity, which is the most common source o Otitis media. This illustration shows an inflamed tympanic cavity, which is the most common source o
Water Gradient Water Gradient
Earth, water, air Earth, water, air
Major Types of Hydrogen Bonds Found in Biomolecular Interactions Major Types of Hydrogen Bonds Found in Biomolecular Interactions
Nuts are also a good source of dietary fibre Nuts are also a good source of dietary fibre
Two Zebras Drinking Water Two Zebras Drinking Water
Video: Photosynthesis and Van Helmont Experiment

For a complete list of videos, visit our video library