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
Evgesh-ka [11]
3 years ago
13

What is number 9 and 11

Biology
1 answer:
Sophie [7]3 years ago
8 0

Answer:

still 9 and 11. No operations are happening

Explanation:

You might be interested in
Transpiration is the uptake of water into plants.
gizmo_the_mogwai [7]
The answer is false. :)
6 0
4 years ago
What is waters role in light reactions
lisov135 [29]

Answer:

water act as a reactant in light reaction.

Explanation:

Water undergo hydrolysis in presence of sunlight to form proton(H+) and hydroxyl ion(OH-) ion. The OH- ion liberates electron to reaction center of photosystem 1 thereby exciting the later .The excited photosystem then donates that extra electron to the primary electron acceptor and from the primary electron acceptor the electron moves through various electron carriers to generate ATP .

    Basically water act as reducing agent in photosynthesis process.

6 0
3 years ago
How are scientists able to use fossils of extinct organisms as evidence?
nikdorinn [45]

The answer is; C

Fossil fuels are the remains of an organism  that lived in the past and have been preserved  or their impression has been preserved. Fossils are studied to identify the difference (genetic and phenotypic) between past and future related organism  and are carbon dated to determine the time in which the organisms existed. The study of fossils is called paleontology.


5 0
3 years ago
Read 2 more answers
Identify the structure of the human heart which is a large vein (right and left branches) that carries oxygenated blood from the
Dominik [7]
The pulmonary vein carries oxygenated blood from the lungs to the left atrium
6 0
3 years ago
What are some factors other than acid rain that can lead to weathering
Veronika [31]
Water, ice, and wind can all cause weathering. Climate can also affect the rate of weathering.
3 0
3 years ago
Other questions:
  • An atom consist of an atomic nucleus composed of positvely charged
    14·1 answer
  • In the human retina: a) cone cells can detect color, but rod cells cannot. b) cone cells are more sensitive than rod cells to li
    6·1 answer
  • Est ce que ça arrive que tu as enceinte epuis tu a de période
    14·1 answer
  • A student designs an experiment to test substances X, Y, and Z, to determine which one is a catalyst for the reaction: A + B ® C
    12·1 answer
  • the frogs tongue is anchored in the very front opposite to the orientation and anchoring of humans why is that?
    13·1 answer
  • Which solution has the lowest concentration of hydrogen ions?
    5·1 answer
  • What is the difference between repetition and replication
    14·2 answers
  • PLEAS HELP!!!!!
    6·1 answer
  • Explain what will happen when red blood cells is placed in hypotonic solution
    7·1 answer
  • In a negative feedback system, the response of the effector
    8·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!