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
svetoff [14.1K]
3 years ago
7

Which part of the eye controls whether or not the pupil dilates or constricts?

Chemistry
1 answer:
Goshia [24]3 years ago
7 0
D.
the iris contains muscles that allow the pupil to exoand; open up
You might be interested in
Write a variable expression that represents the following word phrase: three more than two times the difference of x and one.​
Inga [223]

Convert the wordphrase to expression

\\ \rm\longmapsto 2(x-1)+3

\\ \rm\longmapsto 2x-2+3

\\ \rm\longmapsto 2x+1

5 0
3 years ago
Read 2 more answers
What is polyethylene??defination​
rewona [7]

Answer:

a tough, light, flexible synthetic resin made by polymerizing ethylene, chiefly used for plastic bags, food containers, and other packaging.

Explanation:

8 0
3 years ago
Read 2 more answers
Substances made of two or more elements which are not chemically bonded are known as
11111nata11111 [884]
Substances that are not chemically bonded are mixtures.
8 0
3 years ago
3. A diamond contains 0.090 moles of carbon What is the mass of the diamond?
Nady [450]

Answer:

1.0809

Explanation:

3 0
3 years ago
An electron is a particle with a _____.
astra-53 [7]
The Answer is B.

*NEGATIVE CHARGE, FOUND OUTSIDE THE NUCLEUS*
5 0
3 years ago
Read 2 more answers
Other questions:
  • What are three signs that a chemical change has taken place
    8·1 answer
  • How is electron movement related to covalent bonding in ammonia, NH3?
    7·2 answers
  • Ants live on acacia trees in South America. The ants feed on sugars secreted by the trees. The trees provide room for the ants t
    5·1 answer
  • Layer of Earth made up of the crust and upper mantle
    15·1 answer
  • Early Earth was largely anoxic with very little oxygen present in the atmosphere. However, approximately 2 billion years ago, a
    14·1 answer
  • PLEASE HELP!!!<br><br><br> Dhdjdhdjwjwnwisidjdnswnsjsjsksk
    14·1 answer
  • A sample of solid NH 4HS is placed in a closed vessel and allowed to equilibrate. Calculate the equilibrium partial pressure (at
    10·1 answer
  • How many orbitals are in 5dx2<br>​
    7·1 answer
  • An element X that has 15 protons and 15 electrons, loses three
    12·1 answer
  • PLEASE HELP ASAP!!!! WILL GIVE BRANILEST
    6·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!