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
Luba_88 [7]
2 years ago
5

Air is made of ____and ____​

Biology
2 answers:
____ [38]2 years ago
8 0
ANSWER: Nitrogen, oxygen or gas, dust particles
GrogVix [38]2 years ago
5 0

Answer:

Air is made up of:

  • Nitrogen (78%)
  • Oxygen (21%)
  • Other gases (1%)

Explanation:

Hoped this helped.

You might be interested in
Over millions of years, what type of fuel forms from the dead organisms acted on by temperature and pressure of the earth?
MrRissso [65]

Answer: coal

Explanation: coal is formed when layers of peat are compressed by the layers of rocks above.

7 0
3 years ago
What explanation accounts for the formation of sunspots?
Harman [31]

Answer:

The curvature of the magnetic fields near the sun's equator creates pockets of the photosphere that aren't warmed by convection.

Explanation:

Hope it helps!

6 0
3 years ago
Read 2 more answers
If carbon dioxide, methane, and water vapor were not in the atmosphere, then
storchak [24]
I would say D...just because of the greenhouse effect
4 0
3 years ago
Read 2 more answers
In squash, yellow seeds are dominant over green seeds. If two heterozygous yellow seed squash were crossed, what are the genotyp
Umnica [9.8K]

Answer:

The result of cross two squashes with yellow seeds is an offspring of squash with green seeds -dominant caracter- heterozygous and yellow seeds squashes in a genotype proportion 1:2:1  and phenotype proportion 3:1

Explanation:

The cross of two heterozygous individuals for a characteristic results in an offspring that will have both characteristics in pure and heterozygous form. It is a cross monohybrid which complies with the principle of independent segregation exposed by Mendel.

For the characteristic "seed color" the green color would be G and yellow represented as g.

At the cross of two heterozygous squashs:

- Parents: Gg X Gg

- <u>Punnett's Square</u>:

Alleles    G         g

G           GG       Gg

g           Gg        gg

Offspring:

  • A pumpkin of green seeds GG (25%)
  • Two pumpkins of green heterozygous seeds Gg (50%)
  • One pumpkin of yellow seeds gg (25%)

Genotype proportion 1:2:1

Phenotype proportion 3:1

8 0
3 years ago
Identify the true statements below.
Andrei [34K]

Answer:

The activation energy required for an exploding firework is less than the activation energy required for a burning candle.

Explanation:

I did this in class. The height of the activation is lower for the firework than the  burning candle.

3 0
2 years ago
Other questions:
  • Which term describes an area where sugars are used or stored?
    14·1 answer
  • What is known as the medicine chest of the sea
    9·1 answer
  • City officials are proposing a recycling program. They must examine the benefits to their community, not just the environment, t
    8·1 answer
  • In the initial days of pregnancy, a woman often feels no symptoms at all. Women with ectopic pregnancies often
    12·2 answers
  • A botanist discovers a new species of land plant with a dominant sporophyte, chlorophylls a and b, and cell walls made of cellul
    5·1 answer
  • Which organs allow nutrients to be absorbed
    13·2 answers
  • Describe how the action of the action of the mouth,aesphogus and stomach contribute to the digestion of food
    7·1 answer
  • Who’s your favorite nascar driver and why
    7·1 answer
  • Understanding why some cells keep dividing uncontrollably might help researchers and medical professionals someday ______.
    13·1 answer
  • Which technique cannot be used to analyze gene expression?
    9·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!