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
Mumz [18]
3 years ago
12

What substance was responsible for a major ozone depletion in the 1900s?

Biology
1 answer:
Travka [436]3 years ago
7 0
Chlorofluorocarbons was the main substance that depleted the ozone in the 1900s.
You might be interested in
Glycerol and other organic compounds with an -ol ending is called
AleksAgata [21]
Alcohol like ethanol
6 0
4 years ago
The _______ virus is responsible for causing German measles.
PtichkaEL [24]

Answer:

Rubella.

Explanation:

German measles is a viral infection that causes red rashes on the whole body of an infected person. The disease can be easily spread from infected people to healthy people by sneezing or coughing.

The German measles is caused by rubella virus.Rubella virus contains single stranded DNA as its genetic material. Rubella virus causes fever and swollen lymph nodes in infected individuals.

Thus, the correct answer is rubella virus.

7 0
3 years ago
Define the structure of human eye.​
sergiy2304 [10]

Answer:

he eye is made up of three coats, which enclose the optically clear aqueous humour, lens, and vitreous body. The outermost coat consists of the cornea and the sclera; the middle coat contains the main blood supply to the eye and consists, from the back forward, of the choroid, the ciliary body, and the iris.

Explanation: Right up there.

5 0
3 years ago
How many membranes are does the nucleus have?
Olenka [21]

Explanation:

The nucleus contains all of the genetic material for a eukaryotic cell, but this genetic material needs to be protected. And it's protected by the nuclear membrane, which is a double membrane that encloses all the nuclear genetic material and all the other components of the nucleus

6 0
3 years ago
Read 2 more answers
Why you need the respiratory system ,when you kick a ball?
Serga [27]

Answer:

Explanation:

You need the respiratory system when you kick a ball because you need to be able to breath but if you are playing soccer this benefits the  cardiovascular fitness level. Cardiovascular fitness is, according to the American Sports Medicine Institute, the efficiency of your heart, lungs and vascular system to deliver oxygen to your muscles to maintain activity.

4 0
3 years ago
Other questions:
  • Which of the following levels of organization is the largest,Phylum,class,order,group
    9·1 answer
  • Allison is an 18-year-old college student with type 1 diabetes. allison's pre-meal bg at 11:30
    5·1 answer
  • All the biological macromolecules contain Carbon, hydrogen and oxygen. However, most do not contain nitrogen. The category that
    15·2 answers
  • What are the major parts of a cell
    9·2 answers
  • Which component of the meninges is responsible for removing metabolic wastes?
    15·2 answers
  • Early geneticists wondered how only four nucleotides could specify the sequence of 20 amino acids in proteins. Today we know tha
    12·1 answer
  • Where does translation occur?
    15·1 answer
  • Which part of the bean see stores fpod for the early development of new plant​
    14·1 answer
  • What is Plasma Membrane? Koi zinda hai kya? +_+​
    12·1 answer
  • What must be true for natural selection to occur?
    12·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!