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
katrin [286]
3 years ago
5

Which compound was abundant in Precambrian Earth’s oceans, before complex life evolved on Earth?

Biology
2 answers:
rjkz [21]3 years ago
8 0

Answer:

Dissolved carbon dioxide

Explanation:

Just took the test and it was correct

den301095 [7]3 years ago
6 0

Your answer is for your question is B. Dissolved carbon dioxide

You might be interested in
Em 2015, os países e a população global se reuniram para decidirem sobre novos caminhos, melhorando a vida das pessoas em todos
aliya0001 [1]

Answer:

O principal objetivo da prática 12 é reduzir as perdas e usar os recursos naturais de maneira adequada.

Explanation:

Consumo sustentável significa que o uso dos recursos naturais é muito eficiente para evitar a poluição do meio ambiente. recicle o material usado e use-o novamente para reduzir o custo e também a poluição que ocorre durante sua fabricação. Use materiais que não agridam o meio ambiente e reduzam o uso de combustíveis fósseis. Reduzir perdas de alimentos e também evitar perdas que ocorrem após a colheita da colheita, a fim de fornecer mais alimentos para a população existente. O resultado esperado com a prática número 12 para um consumo mais sustentável pela população global é que mais alimentos e recursos estejam disponíveis para a população existente. população.

5 0
3 years ago
What material can S-waves travel through and how fast are they? Describe an S-wave's motion.
zzz [600]

These waves are of a higher frequency than surface waves. The first kind of body wave is the P wave or primary wave. This is the fastest kind of seismic wave, and, consequently, the first to 'arrive' at a seismic station. The P wave can move through solid rock and fluids, like water or the liquid layers of the earth.

4 0
3 years ago
Read 2 more answers
7. Microscopes that view slides are called ____________________ because the use _______________ lenses.
Nutka1998 [239]

Answer:

compound light microscope, optical

Explanation:

4 0
3 years ago
What are the base sequences in trna called? <br><br>exons <br>anticodons <br>introns <br>codons
stealth61 [152]
Codons
The mRna bases are grouped into sets of three, called codons. Each codon has a complementary set of bases, called an anticodon.
4 0
3 years ago
Read 2 more answers
The ratio of output work to input work expressed as a percent is the blank of a machine.
Citrus2011 [14]
The ratio of output work to input work expressed as a percent is the efficiency of a machine. It <span> is a measurable concept that can be determined by determining the ratio of useful output to total input. Hope this answers the question.</span>
8 0
3 years ago
Read 2 more answers
Other questions:
  • 1. What is the function of cholesterol in the cell membrane?
    9·1 answer
  • 2. The sum of potential &amp; kinetic energy is? Immersive Reader kinetic energy Heat energy mechanical energy Option 4convectio
    9·1 answer
  • Increased pressure in the ventricles would close what valve(s)?
    6·1 answer
  • If the number of species in a given area increases, which of the following happens?
    5·1 answer
  • Give two examples that illustrate interactions that occur between the abiotic and biotic parts of this ecosystems....
    7·1 answer
  • WHAT WILL BE GOOD ABOUT<br> ACHIEVING MY GOAL?
    9·1 answer
  • Compare the changes and masses of protons, neutrons, and electrons
    14·1 answer
  • Cell walls are made of cellulose in what cell?
    14·1 answer
  • What's one direct impact of tropical rain forest on coral reefs?
    7·1 answer
  • What does a pulmonary function test measure quizlet.
    11·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!