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
MrRa [10]
3 years ago
6

Ninety nine percent of the atmosphere is composed of _____ and _____.

Biology
2 answers:
VARVARA [1.3K]3 years ago
8 0

Answer:

Ninety nine percent of the atmosphere is composed of Nitrogen and Oxygen

Alexeev081 [22]3 years ago
4 0

Answer:

78% nitrogen and 21% oxygen

Explanation:

You might be interested in
The nervous system contains not only neurons but also other cells called: axons. glial cells. dendrites. myelin cells.
stealth61 [152]
<h3><u>Answer;</u></h3>

Glial cells

<h3><u>Explanation</u>;</h3>
  • The nervous system is made up of neurons and glia. Neurons are specialized cells that are capable of sending electrical as well as chemical signals
  • Glial cells or neuroglia are non-neuronal cells in the central nervous system (brain and spinal cord) and the peripheral nervous system.
  • <u>Glial cells are cells that provide support functions for the neurons by playing an information processing role that is complementary to neurons.</u>

6 0
3 years ago
IS (3, 1) a solution to this system of equations?
galina1969 [7]

Answer:

X=17.4444..&Y= - 1.2222..

8 0
2 years ago
Do frogs breath mostly through their skin?
harina [27]
Frogs do have lungs but they are small and rarely used, frogs mostly take in moisture through the skin in process called cutaneous gas exchange.
6 0
3 years ago
Read 2 more answers
Although against your better judgment, you squeezed an acne pustule on your face. now you notice a clear fluid seeping from the
liberstina [14]
<span>Exudate
   This is any bodily liquid that channels from the circulatory framework into sores or territories of irritation. It can be a discharge like or clear liquid. At the point when damage happens, leaving skin uncovered, it spills out of the veins and into adjacent tissues</span>
5 0
3 years ago
Reefs grow best in _______.
il63 [147K]
<span>D is the correct answer. Coral reefs need sunlight to grow, so they grow best in shallow water (up to 50m deep) as this means sunlight can reach them. They require salt water to grow and warm temperatures of 20 - 32 degrees Celsius.</span>
4 0
3 years ago
Read 2 more answers
Other questions:
  • Mr. trumph loses his yacht in a poker game and experiences a sudden onset of chest pain which radiates down his left arm. the pa
    9·2 answers
  • It is possible to determine a person's exact date of birth from their bones.
    15·2 answers
  • Darwin drew ideas for his theiry from observations of organisms on
    11·1 answer
  • Which of the following involves the diffraction of light waves?
    8·2 answers
  • The findings from cross-cultural research on the rates of births to unmarried mothers in 10 industrialized nations indicate that
    7·1 answer
  • Where is starch found in the body? what body tissues is starch found in??
    14·1 answer
  • What is the chemical forumula of sulphur oxygen​
    14·1 answer
  • Investigators interested in studying the activation of apoptosis inject cytochrome c into the cytosol of two types of mammalian
    8·1 answer
  • Which planet is the smallest and the closest to the Sun?
    10·2 answers
  • Consider the phylogenetic tree.
    10·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!