1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
kirill115 [55]
4 years ago
5

what element was poisonous to the first forms of life on Earth until they evolved to take advantage of it by using cellular resp

iration.
SAT
1 answer:
Lelechka [254]4 years ago
7 0
Oxygen was poisonous
You might be interested in
Describe how the force of gravity acts upon an object
bulgar [2K]

Answer:

Gravity is the force holding us to the earth, gravity is the reason when something falls out of our hand it falls to the ground rather than floating in mid-air.

Explanation:

8 0
3 years ago
Read 2 more answers
The technology adapted to the printing press originated in the
Mrrafil [7]
The printing press originated in Germany in the 15th century.  
4 0
3 years ago
Read 2 more answers
Indica uma razão justificativa para que hoje apenas se retirem cirurgicamente as amígdalas, em situações extremas de recorrentes
Jobisdone [24]
I do not understand this laundry
8 0
3 years ago
What training principle states that you must continue to exercise to maintain fitness?
laiz [17]
I agree with the answer above.
5 0
3 years ago
Fill in the blank with the Spanish word that best completes the following sentence. Para el postre, quisiera _________. Este azú
Bad White [126]

Answer:

Estas galletas

Explanation:

6 0
3 years ago
Other questions:
  • Students in a school-to-work program have the opportunity to participate in all the following except
    14·1 answer
  • In the figure below, ray was constructed starting from rays and . By using a compass D and G were marked equidistant from E on r
    13·1 answer
  • If the statement can be proven to be true and cannot be proven false, then it is a(n) _______.
    12·1 answer
  • the differences between the use of aversive stimulation in sibis vs the use of aversive stimulation at the rotenberg center is t
    15·1 answer
  • A food worker suspects there are mice in the food establishment.
    6·1 answer
  • Research suggests that laughter improves people’s emotional and physical well-being. Write a research-based essay to inform the
    8·1 answer
  • If you travel 300 km in 6 hours what is your average speed.
    8·1 answer
  • A puppy eats a sausage 5 seconds faster than a kitten.
    6·2 answers
  • In this excerpt from "dover beach" by matthew arnold, which two lines or sets of lines suggest that the speaker has undergone a
    12·1 answer
  • Which sentence best shows the central idea of the excerpt?
    8·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!