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
polet [3.4K]
3 years ago
5

9. Light is used in photosystem II and photosystem I to

Chemistry
1 answer:
Snowcat [4.5K]3 years ago
4 0

Answer:

A. power the Calvin cycle.

Explanation:

because it helps to run theblife of plants with easily

You might be interested in
For work to be done on an object:
Mazyrski [523]

Answer:

The object has to move a distance when a force is applied to it

Explanation:

For work to be done on a body the force applied must move the body through a particular distance.

  Work done  = Force x distance  

If no distance is moved by the force, no work is done.

Also, the angle between the force and the distance must be 0 to do the maximum work on the body.

8 0
3 years ago
Element X forms an oxide with chemical formula X20. Experimental tests show that X20 contains 25.8 % oxygen, and x contains 74.2
lawyer [7]
Hdhdhdh hdhdhdh hdhdhdh
6 0
2 years ago
Which two elements are combined in sodium chloride
Westkost [7]

Answer:

Sodium (Na) and Chlorine (CI)

Explanation:

6 0
3 years ago
Read 2 more answers
What will most likely happen when stress is applied to an equilibrium reaction? The system will not respond to the stress. The s
steposvetlana [31]

Answer:

The system will change its concentration to shift to a new equilibrium position.

Explanation:

For example  in the Haber Process

N2  +  3H2  ⇄  2NH3

If the pressure is increased the  process will move to the right - to have more NH3 and less of the nitrogen and hydrogen.

8 0
3 years ago
Read 2 more answers
Why do elements in the same family generally have a similar properties ?
sattari [20]

Answer:The elements have the same number of electrons in the outer ring so they react with the same substances

5 0
3 years ago
Other questions:
  • What energy is often called the "graveyard of kinetic energy" and why?
    5·1 answer
  • What is the phrase of warm air cold air
    13·1 answer
  • In a reaction 4 NH3 + 5 O2 → 4 NO + 6 H2O, 1 mole of ammonia reacts with 2 moles of oxygen. Which of these is correct after the
    12·1 answer
  • Describe the stages of volcanic activity
    6·1 answer
  • What is the density of a substance with a mass of 15.0 g and a volume of 5.0 mL?
    14·1 answer
  • What is a radical in chemistry ?
    6·1 answer
  • What is the difference between atmosphere and atmospheric pressure?
    11·2 answers
  • photosynthesis is chemical change that happens in the plant what substance within the plant allows light energy to be captured
    11·1 answer
  • Which are charateristics of all metals
    5·2 answers
  • What would the products of a double-replacement reaction between KBr and CaO be? (Remember: In double-replacement reactions, the
    7·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!