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
raketka [301]
3 years ago
13

When in U.S, history did pollution start to become an issue? Explain why pollution was not an issue prior to this time period.

Biology
1 answer:
sasho [114]3 years ago
8 0

Answer:

pollution began to be a problem in 1800's.

Explanation:

more people meant more rubbish. industry also added to this

You might be interested in
when an infection occurs, the number of a. red blood cells increase b. red blood cells decrease c. white blood cells increase d.
Naddika [18.5K]
White blood cells increase as they are the cells that destroy pathogens 
4 0
3 years ago
Read 2 more answers
Which statement best explains how the rock shown in this photo was deformed​
meriva

Answer:

B. Stress caused by forces that stretch an area of the crust made the rock to break

Explanation:

From the picture inserted to this problem, we see a unit that has been severely fractured.

Fracturing results from the brittle deformation of a rock under applied stress.

  • Rock fracturing results in the formation of joints and faults.
  • We can obviously see different sets of joint sets on the body of the rock in the picture attacked.
  • Also, a prominent fault which resembles an extensional fault can also be seen.
  • Therefore, the stress caused the stretch of the area which in turn makes the rock the rock to break.
6 0
3 years ago
Read 2 more answers
Choose the pure substance from the list below.
arsen [322]
A, B, D, and E are all wrong. C is the right answer. C is a compound.
A, B, D and E are not unique. A pure substance is something with unique characteristics and if it can be broken down, the result is two or more pure substances. AKA only compounds and elements. This is an easy question so try to study. 
5 0
3 years ago
2. Identify the epithelial tissue that is most suited to each of the following functions. a. diffusion of gases across lung air
Delicious77 [7]

Answer:

e. secretion, absorption and chemical protection

Explanation:

Epithelial tissues is responsible for the protection of the skin, absorption of nutrients during digestion and secretion of waste materials. These tissues form covering to all body surfaces. They also perform a variety of other functions such as excretion of waste substances, filtration of air from dirt and particles and clean the air that is inhaled, diffusion, and sensory reception.

7 0
3 years ago
What reacts with sulfur dioxide in
vekshin1

Answer:

Acid rain is caused by emissions of sulphur dioxide and nitrogen oxide, which react with the water molecules in the atmosphere to produce acids.

7 0
3 years ago
Other questions:
  • Why do scientists use a light year to measure distances in space?Do you think there is a better way to measure distance? Explain
    15·1 answer
  • which of the following structures or systems is correctly paired with its function? a. central nervous system - processes inform
    12·2 answers
  • One must combine low resistance with a high number of repetitions to optimally enhance strength.
    5·2 answers
  • As algae photosynthesize, they deplete the surrounding water of _____ and the carbonate rock that precipitates from this water i
    10·1 answer
  • What did the student do wrong in constructing this graph?
    8·1 answer
  • Discuss the importance of krill.
    8·2 answers
  • Answer these 4 task cards Plz
    8·1 answer
  • What are some ways in which the structure of a compound influences its function?
    5·2 answers
  • Which of the these items contains carbon?
    6·1 answer
  • What two cell division processes use dna replication.
    9·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!