Which organisms were the first to produce O2? What will be an ideal ...

Author Question: Which organisms were the first to produce O2? What will be an ideal ... (Read 19 times)

javeds

Hero Member
Posts: 570

on: Jul 14, 2018

Which organisms were the first to produce O2?

What will be an ideal response?

Question 2

To which of the following languages is Manchu the most closely related?

A) Mandarin Chinese
B) Cantonese
C) the tribal languages of central and southeastern Siberia
D) the tribal languages of central Tibet
E) Korean

shayla

Sr. Member
Posts: 323

Reply #1 on: Jul 14, 2018

Answer to Question 1

Oxygenic cyanobacteria were the first organisms to produce O2.

Answer to Question 2

C

Need homework help now?

Ask unlimited questions for free

Ask a Question

« previous next »

Did you know?

Methicillin-resistant Staphylococcus aureus or MRSA was discovered in 1961 in the United Kingdom. It if often referred to as a superbug. MRSA infections cause more deaths in the United States every year than AIDS.

Did you know?

Atropine was named after the Greek goddess Atropos, the oldest and ugliest of the three sisters known as the Fates, who controlled the destiny of men.

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?

The horizontal fraction bar was introduced by the Arabs.

Did you know?

Tobacco depletes the body of vitamins A, C, and E, which can result in any of the following: dry hair, dry skin, dry eyes, poor growth, night blindness, abscesses, insomnia, fatigue, reproductive system problems, sinusitis, pneumonia, frequent respiratory problems, skin disorders, weight loss, rickets, osteomalacia, nervousness, muscle spasms, leg cramps, extremity numbness, bone malformations, decayed teeth, difficulty in walking, irritability, restlessness, profuse sweating, increased uric acid (gout), joint damage, damaged red blood cells, destruction of nerves, infertility, miscarriage, and many types of cancer.