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
djyliett [7]
4 years ago
8

Ellen has eggs she wishes to trade for grain. However, she cannot find anyone with grain that needs eggs. What is missing for th

e exchange to occur?
A. compound interest
B. store of value
C. present value
D. deferred payment
E. double coincidence of wants
Biology
1 answer:
77julia77 [94]4 years ago
4 0
The correct answer is -

E. double coincidence of wants
You might be interested in
What is the activation energy of a chemical reaction?
alexandr402 [8]

A substance that modifies the transition state to lower the activation energy is termed a catalyst; a catalyst composed only of protein and (if applicable) small molecule cofactors is termed an enzyme. It is important to note that a catalyst increases the rate of reaction without being consumed by it.

4 0
4 years ago
What will happen to the universe billions of years from now?
lorasvet [3.4K]
There's no any exact scientific results and nobody currently know what will exactly happen, but some scientists suggested that the sun might expand and dies that leads to the end of the world but some says there will be a new sun being born and like that.
7 0
4 years ago
Read 2 more answers
Gametes may carry different combinations of alleles because of
Simora [160]

Answer:

Crossing over and random alignment of chromosones

Explanation:

4 0
4 years ago
Why are small aquatic organisms usually temperature conformers? see section 39.4 ( page 830) ?
weeeeeb [17]

they have a high ration of  surface area to volume and therefore readily lost heart

5 0
3 years ago
Read 2 more answers
Motor signals are sent by the brain to effectors. which is an example of an effector?
Ket [755]
Musceles cell is the example of effector.
3 0
4 years ago
Other questions:
  • What two locations do tropical cyclones occur?
    15·1 answer
  • Which organ has the special task of chemically altering absorbed materials to make them better suited for use by other tissues?​
    5·1 answer
  • Which of the following describes a cyclical change in an ecosystem?
    5·1 answer
  • A pea plant purebred to produce round yellow peas is crossed with a plant purebred to produce wrinkled green peas. Round pea sha
    10·1 answer
  • Explain how the rate of soil formation can be accelerated.
    10·1 answer
  • Explain how the chemical properties of a compound compare to the properties of the individual elements that make it up.
    8·2 answers
  • The largest source of available freshwater on Earth is _____. lakes rivers aquifers ice caps
    8·2 answers
  • An ELISA test can be used to look for a particular infection in a patient in 2 ways: an antigen 1 point
    7·1 answer
  • What happens when a muscle contracts?<br> It shortens<br> It lengthens
    14·2 answers
  • Did the enzymes from Claire’s small intestine breaks down the protein at a low, normal or high rate?
    12·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!