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
Verizon [17]
3 years ago
8

Which of the following statements best explains the usefulness of a pulley system with at least one moveable pulley?

Biology
2 answers:
rusak2 [61]3 years ago
8 0
4. I hope this helps
svetlana [45]3 years ago
3 0

Answer:

4

Explanation:

You might be interested in
What helps identify cell types
uranmaximum [27]
CARBOHYDRATE HELPS TO IDENTIFY CELL TYPES.
Carbohydrates, proteins and lipids are all present inside the cell. Carbohydrates are usually attached to the cell proteins and lipids in order to enhance their functionality. These attached carbohydrates are typically used to identify cells.
8 0
3 years ago
Helium nuclei are more difficult to fuse than hydrogen nuclei because they have a greater positive charge.
nataly862011 [7]
<span>Helium nuclei have a positive charge of 2+ when observed. Compared to a hydrogen nuclei, we can see that the Helium nuclei is more difficult to fuse as it has a greater charge than Hydrogen 1+. This chemical difference makes the answer true.</span>
6 0
3 years ago
In what era did the plants begin to flourish?
Juliette [100K]

Answer: Paleozoic

Explanation: The Paleozoic Era, which ran from about 542 million years ago to 251 million years ago, was a time of great change on Earth. The era began with the breakup of one supercontinent and the formation of another plants became widespread. And the first vertebrate animals colonized land.

6 0
3 years ago
Which organelle stores water and helps to maintain the plant cell shape?
Evgen [1.6K]

Answer:

(D) H Vacuole

Explanation:

The vacuole is the organelle of the plant which contains water reserves of the plant and essential minerals required by the plant to grow. It also helps the plant to maintain its structure and provides rigidity

HOPE IT HELPS....

8 0
3 years ago
Read 2 more answers
Earth's sysems can interact quickly or over long periods of time. Give two examples of how Earth can change quickly and two exam
VARVARA [1.3K]
Quickly... this is a harder one, because all of possible answers are the result of interactions over a long time. However, these change the surface of the earth the fastest
1.) Volcanoes
2.) Flooding

Over a long time
1.) Through the rock cycle... earthquakes, mountain forming, etc.
2.) Melting, or forming of ice... changes sea levels
3 0
3 years ago
Other questions:
  • A pea plant that has round seeds are dominate over winkled seeds in pea plant. Fill in the punnett sqares and determine the expe
    14·1 answer
  • 1. What special structures are specific to the phylums of Porifera, Cnidaria, Ctenophora, and Platyhelminthes?
    9·1 answer
  • When you walk your dog your using energy from the sunlight to power this activity how?
    6·1 answer
  • The respiratory pump facilitates the return of blood to the heart by ________.
    14·1 answer
  • Adequate intake of which nutrient has been shown to reduce the risk of neural tube birth defects?
    10·1 answer
  • 2. What is the most common element in the products you investigated?​
    11·1 answer
  • This is the class of animals that possess two pairs of antennae, an exoskeleton, and appendages with two branches.
    6·1 answer
  • How do acorns grow?please help me understand
    13·1 answer
  • Which system does the thyroid gland use te distribute information to the cells of body
    15·2 answers
  • Which of the following describes how an animal welfare activist would feel about raising cows for food and leather?
    5·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!