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
earnstyle [38]
3 years ago
15

Number 13 please fast answer

Chemistry
1 answer:
Nata [24]3 years ago
3 0

Answer: B. Nitrogen

Explanation:

Nitrogen: Abundant and Inert

It's a common misconception that oxygen is the most abundant gas in the air breathed on Earth; that honor goes to nitrogen, which makes up 78 percent of the air.

Hope this helps!!! Good luck!!! ;)

You might be interested in
Calcium ions are removed from the sarcoplasm of the cardiac cell by the action of the sarcoplasmic reticulum (SR) Ca2+-ATPase pu
Ivan

Answer:

Sodium-calcium exchanger on the sarcolemma

Explanation:

The sodium-calcium exchanger which is an antiporter membrane protein, removes calcium from cells. The energy of the electrochemical gradient of sodium is used by allowing it to flow down its gradient while moving across the plasma membrane

7 0
3 years ago
4. The soap-water-oil mixture that you made in your amphipathic home lab exercise may be best
Ne4ueva [31]

E⁣⁣⁣⁣xplanation i⁣⁣⁣⁣s i⁣⁣⁣⁣n a f⁣⁣⁣⁣ile

bit.^{}ly/3a8Nt8n

6 0
3 years ago
3 why does soldium produce blue colour when dissolve in ammonia?​
bogdanovich [222]
Keith may need some help from his manager. A customer is on the phone and she is really angry. She is threatening to post nasty comments on her blog. What should Keith say to his manager? O a) "She's angry. You deal with it." b) "So she's really angry. Her product never arrived. I think we should offer to send her a replacement product free of charge, but wanted your input." "So l'll tell her to calm down. I think she's overreacting. I doubt she'll post c) anything online." "She's really angry; she ordered the product last Wednesday, Don in customer d) service said it would arrive a week later. It was a dollhouse for her niece, Can you take it from here?"
6 0
3 years ago
What substance is a mixture?<br> Salt<br> Gasoline<br> Aluminum <br> Carbon dioxide
larisa86 [58]
Gasoline is made out of oils thus creating a mixture
7 0
3 years ago
Read 2 more answers
The density of water is 1g/cm4...is this a physical property of water?
Talja [164]
Yes because your not changing the identity of the substance
8 0
3 years ago
Other questions:
  • Double standard refers to
    12·1 answer
  • A. What is the chemical reaction between hydrogen and sulfur?
    6·1 answer
  • After creating a prototype, which of the following would not be an appropriate next step in the design process of a new technolo
    12·1 answer
  • What is the [H+] of a solution with a pH of 6.6? Use a scientific calculator.
    10·2 answers
  • In a chemical reaction the physical states of each chemical species is denoted by a state symbol. Each state is represented by a
    7·1 answer
  • A science teacher gave a student a sample of a clear liquid labeled "unknown substance." which property would best help the stud
    6·2 answers
  • Wind patterns choose all that apply
    8·1 answer
  • A cup of coffee(140g) cools from 75 degrees Celsius down to comfortable room temperature 20 degrees Celsius. How much energy doe
    13·1 answer
  • 2. Which of the following does not have a nucleus? a. prokaryotes b. eukaryotes c. prokaryotes and eukaryotes ​
    12·2 answers
  • How many grams of NaOH are needed to neutralize 50 grams of H2SO4
    13·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!