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 94 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
:D TYSM

jojobee318

  • Member
  • Posts: 298
Reply 3 on: Yesterday
Excellent

« previous next »
 

Did you know?

Coca-Cola originally used coca leaves and caffeine from the African kola nut. It was advertised as a therapeutic agent and "pickerupper." Eventually, its formulation was changed, and the coca leaves were removed because of the effects of regulation on cocaine-related products.

Did you know?

Today, nearly 8 out of 10 pregnant women living with HIV (about 1.1 million), receive antiretrovirals.

Did you know?

Women are two-thirds more likely than men to develop irritable bowel syndrome. This may be attributable to hormonal changes related to their menstrual cycles.

Did you know?

Normal urine is sterile. It contains fluids, salts, and waste products. It is free of bacteria, viruses, and fungi.

Did you know?

Common abbreviations that cause medication errors include U (unit), mg (milligram), QD (every day), SC (subcutaneous), TIW (three times per week), D/C (discharge or discontinue), HS (at bedtime or "hours of sleep"), cc (cubic centimeters), and AU (each ear).

Water Mite Water Mite
Effect of extracellular osmolarity on water movement across a plasma membrane Effect of extracellular osmolarity on water movement across a plasma membrane
Bacteria Bacteria
Electrophoresis gel in a densitometer. (a) The green light from the slit light source is visible ... Electrophoresis gel in a densitometer. (a) The green light from the slit light source is visible ...
Get feedback every 5 to 7 minutes about cold intensity. Massage other areas while cold source is on ... Get feedback every 5 to 7 minutes about cold intensity. Massage other areas while cold source is on ...
Nutrients Are Transported through the Circulatory and Lymphatic Systems Water-soluble nutrients Nutrients Are Transported through the Circulatory and Lymphatic Systems Water-soluble nutrients
Video: HIV replication/ Replication cycle of HIV

For a complete list of videos, visit our video library