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
Sergeu [11.5K]
3 years ago
12

Many common objects are simple machines or combinations of simple machines. Which of the following machines uses a pulley system

?
yo-yo

window blinds

wheelbarrow

can opener
Biology
1 answer:
Xelga [282]3 years ago
4 0
Wheelbarrow sorry if I’m late
You might be interested in
Which of these molecules might be found in a molecule that catalyzes a chemical
qwelly [4]

Answer:

The correct answer is - option C and option D).

Explanation:

In biology, Molecules that catalyze a chemical reaction known as enzymes, and these catalyst helps in chemical reactions by lowering their activation energy. Enzymes are mainly made up of proteins that contain one or more than one amino acid chain linked together by peptide bonds.

Deoxyribozymes or DNA enzymes are the catalytic DNA that performs various catalytic reactions often but not always.

Thus, the correct answer would be - option C and option D).

3 0
3 years ago
If the shortest student is 1.43 m tall, and the tallest student is 1.85 m tall, what is the best range for the height axis of th
iris [78.8K]
I would use increments of 0.05 m
4 0
3 years ago
Read 2 more answers
Answer to this problem I don't get it
marta [7]
I think the weather will be rainy.

6 0
3 years ago
Are the fatty acids chains ("tails”) found on the
tangare [24]

Answer:

they are found on the outside of the membrane.

Explanation:

6 0
3 years ago
*what was the purpose of culturing bacteria on these four plates?
Eduardwww [97]
Culturing of microbial organisms allows experts to determine what type of organism is present and at what conditions it abundantly exist. This is an essential tool to determine the cause of contagious/infectious disease so that experts will have a clear understanding how to combat it.
3 0
4 years ago
Other questions:
  • 1. What is the difference between external and internal fertilization? *
    11·1 answer
  • What kind of information does the nutrition facts give about requirements for essential nutrients?
    5·1 answer
  • Give an example of a type of cell in a living organism (animal or plant) that is shaped very differently than the classical roun
    7·1 answer
  • which type of transport is used to move s molecule from a region of low concentration to a region of high concentration
    11·2 answers
  • What is a group of ducklings called
    9·1 answer
  • Which of the following is true of fungi? A . Like plants, they carry out photosynthesis.
    12·2 answers
  • Which of the following is needed to begin glycolysis?
    12·1 answer
  • HELP ASAP PLEASEEE ??! :)
    12·2 answers
  • What are the characteristic of a cell?
    14·1 answer
  • Which energy source produces less negative
    5·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!