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
EleoNora [17]
3 years ago
6

in high elevation forests n Pennsylvania, ecologists have noticed a serious decline in certain tree species. Some scientists pro

pose that increased soil acidity might be the cause. Whats the phenomenon? A. Mercury contamination B. Decreased in pH caused by climate change C. Acid rain, which is caused by SO2 from combustion mixed with atmospheric water vapor D. Ozone depletion
Biology
1 answer:
Solnce55 [7]3 years ago
5 0

Answer:

I would choose answer B.

Explanation:

Acid rain is caused by combustion chemicals mixing with water vapor in the atmosphere. It normally results in high amounts of acid in the soil, and surrounding bodies of water.

You might be interested in
During the second trimester, energy needs of pregnant women are ________ more kcalories per day than those of nonpregnant women.
Aleksandr-060686 [28]
During the second trimester, energy needs of pregnant women are 340 more kcalories per day than those of nonpregnant women. 
6 0
3 years ago
When electrons are shared, the type of bonding is called _____.
schepotkina [342]

Answer:

Covalent

Explanation:

A covalent bond, also called a molecular bond, is a chemical bond that involves the sharing of electron pairs between atoms.

5 0
4 years ago
What are the reactants in the equation for cellular respiration A.Oxygen and lactic acid B.Carbon dioxide and water C.Glucose an
Leviafan [203]

Answer:

The correct option is <u>C. Glucose and oxygen</u>

Explanation:

Cellular respiration can be described as a process in which cells convert glucose and oxygen into carbon dioxide and water, along with the release of energy molecules i.e ATP. Hence, glucose and oxygen are the reactants for this reaction whereas carbon dioxide and water are the products.  

The process of cellular respiration is essential for energy and it takes places in the mitochondria of the cell. The reason why mitochondria are known to be the power house of a cell.

4 0
4 years ago
Air moves through the respiratory system in a continuous cycle. Which of the following correctly describes the movement of air t
Leokris [45]
The pharynx would need to come first in order for C to be correct. B is also incorrect. Air flows through the bronchioles, then the alveoli, and finally into or out of the capillaries where gas exchange can occur with cells.   A is the only option that correctly describes the path of air through the respiratory system in the correct sequence.   The complete flow of air would be: Nose>pharynx>trachea>bronchi>bronchioles>alveoli>gas exchange with cells and then back out.
8 0
4 years ago
Read 2 more answers
Which two organisms are able to form a symbiotic relationship with each other
Georgia [21]
I would say A because they both have shells
4 0
3 years ago
Other questions:
  • Which tecnique could be used to seperate pigments from mixture
    6·1 answer
  • Organic matter is essential in soil for it to be able to produce vegetation. What roles do organic matter play in making soil vi
    14·1 answer
  • True or false do dead zones occur mostly near the equator
    10·2 answers
  • How do the HIV/Aids pandemic statistics vary around the world? 100 points
    12·1 answer
  • Why do neurons need a steady supply of atp?
    13·1 answer
  • Describe how the hamstring muscle group moves the leg
    8·1 answer
  • How are artificial selection and natural selection different? Select the best answer from the choices below.
    12·2 answers
  • Quiz 12 of 4<br> Quickest energy source for life <br><br> I need the answer this is the definition
    13·1 answer
  • Please help need answers today.What is the best courses of action for the person shown below.
    7·1 answer
  • the student wrote the following conclusion the optimum pH for amylase to digest starch is pH 7 suggest and explain one reason wh
    8·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!