This topic contains a solution. Click here to go to the answer

Author Question: Plants evolved the ability of photosynthesis during the A) Cambrian period. B) Precambrian. C) ... (Read 37 times)

vHAUNG6011

  • Hero Member
  • *****
  • Posts: 514
Plants evolved the ability of photosynthesis during the
 
  A) Cambrian period.
  B) Precambrian.
  C) Paleozoic era.
  D) Pleistocene.

Question 2

The process of photosynthesis is important because it
 
  A) converts carbon and water to hydrocarbon and free oxygen.
  B) contributed to the development of an ozone layer.
  C) is an energy source that drives the geologic process.
  D) allowed increased infiltration of solar energy.



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

tkempin

  • Sr. Member
  • ****
  • Posts: 332
Answer to Question 1

Answer: B

Answer to Question 2

Answer: B




vHAUNG6011

  • Member
  • Posts: 514
Reply 2 on: Jul 29, 2018
:D TYSM


nyrave

  • Member
  • Posts: 344
Reply 3 on: Yesterday
Thanks for the timely response, appreciate it

 

Did you know?

Symptoms of kidney problems include a loss of appetite, back pain (which may be sudden and intense), chills, abdominal pain, fluid retention, nausea, the urge to urinate, vomiting, and fever.

Did you know?

Always store hazardous household chemicals in their original containers out of reach of children. These include bleach, paint, strippers and products containing turpentine, garden chemicals, oven cleaners, fondue fuels, nail polish, and nail polish remover.

Did you know?

According to animal studies, the typical American diet is damaging to the liver and may result in allergies, low energy, digestive problems, and a lack of ability to detoxify harmful substances.

Did you know?

Asthma attacks and symptoms usually get started by specific triggers (such as viruses, allergies, gases, and air particles). You should talk to your doctor about these triggers and find ways to avoid or get rid of them.

Did you know?

Many people have small pouches in their colons that bulge outward through weak spots. Each pouch is called a diverticulum. About 10% of Americans older than age 40 years have diverticulosis, which, when the pouches become infected or inflamed, is called diverticulitis. The main cause of diverticular disease is a low-fiber diet.

For a complete list of videos, visit our video library