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
tatyana61 [14]
3 years ago
7

Ancient atmospheric levels of gases can not be determined by?

Biology
1 answer:
Mariana [72]3 years ago
6 0

Answer:

high levels of oxygen

Explanation:

my science teacher once told me

You might be interested in
A meal contains carbohydrate, fat, protein, vitamin D, calcium and iron. What happens to each of these substances in the body?​
Mandarinka [93]

They all started to get digest.
Explanation:
Digestion starts in the mouth and all the way to the small intestine. And, there are many enzymes and digestive jucies which help to digest spefic nutriton amoung them.
3 0
2 years ago
Paramecium caudatum uses its cilia to _____.
babunello [35]
<span>Sweep prey organisms, along with some water, through the oral groove, and into the mouth opening. </span>
5 0
4 years ago
Read 2 more answers
January 11, 2018 Q1: This question is worth 99 points and a brainliest. It is a three part question. Medium difficulty.
murzikaleks [220]
Part 1. De-chlorinated water is water that doesn't contain any chlorine.

Part 2. Tap water contains chlorine, the chlorine should be removed from the water before putting in an aquarium. This is because Chlorine is known for cleaning and killing micro-organisms. It should not be put into an aquarium because it can be harmful to the life inside of it.

Part 3. There are various ways to de-chlorinate water. One of the ways is by dissolving a tablet of potassium <span>metabisulfite into it. 1 tablet = 20 gallons of water dechlorinated.


Hope this helped! (:</span>
7 0
4 years ago
Read 2 more answers
IF YOUR IN FLVS AND YOU DID THIS ONE ALREADY PLS HELP ME AND IF YOU DO THE FIRST PERSON THAT TELLS ME THE ANSWER IN THE FIRST FI
Lisa [10]

Answer:

speed in a specific direction

Explanation:

your welcome

3 0
4 years ago
What role does bone marrow play in the functioning of your circulatory system?
stira [4]
Bone marrow plays an important role in our circulatory system because Bone marrow contains hematopoietic stem cells which is the major producer of red blood cells or erythrocytes,white blood cells also know as leukocytes and also platelets( thrombocytes) which is the major components of our blood,the only liquid that is very essential in our circulatory system.
8 0
3 years ago
Other questions:
  • Students placed 30 earthworms in box with 4 different environments the worms moved about and chose their final environment. The
    5·2 answers
  • Which of the following is not true of exothermic reactions?
    6·1 answer
  • Sea and land breezes are caused because ____. a. the land heats and cools more slowly than the water b. the land heats and cools
    8·2 answers
  • Organisms that eat dead or decaying matter are called
    9·2 answers
  • Select the correct cell type for each description.
    12·1 answer
  • When one organism lives inside the body of another, and both benefit, the relationship is called
    8·2 answers
  • I need help with this question
    7·1 answer
  • A cell is a complex system. Like most systems, a cell contains a boundary that separates things that are inside the system from
    7·2 answers
  • Large ecosystems always have higher biodiversity than smaller ecosystems.<br> True or False?
    15·2 answers
  • What are two ways in which plant eating animals such as cow depend on water.
    7·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!