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
Inessa [10]
3 years ago
7

Which statement is an example of a scientific theory? A. The amount that caffeine affects a person's heart rate differs based on

the person's age. B. The Earth is the third planet from the Sun and has one moon, which orbits the Earth. C. Hummingbirds do not like the color white because they visit other colored flowers more often. D. All living organisms are composed of one or more cells, which came from pre-existing cells.
Biology
2 answers:
nadya68 [22]3 years ago
5 0

Answer:

Pretty sure it's A because people can redo this test as many times as needed to verify the answer.

Mariulka [41]3 years ago
3 0

Answer:

D. All living organisms are composed of one or more cells, which came from pre-existing cells.

Explanation:

took the test on

You might be interested in
The process of binary fission is shown above. Which of the following cells would be most likely to undergo this type of reproduc
Naddik [55]
A. Bacterial cells would undergo this type of reproduction, Binary Fission. An asexual reproductive process where a single bacterium splits into 2 additional bacteria, each having the same bacterial DNA and or genome as the original bacterium.
5 0
3 years ago
Read 2 more answers
Do water and methane have different freezing/melting, and boiling/condensation points?
zvonat [6]

Answer

Yes

Explanation:

water freezes at 32f and methane freezes at -295.6°F

5 0
3 years ago
What is the corona of the sun
r-ruslan [8.4K]

The corona is the Sun's atmosphere. The corona extends far into space and is much hotter than the surface.

8 0
3 years ago
Read 2 more answers
How did life begin?
Feliz [49]

Explanation:

Many scientists believe that RNA, or something similar to RNA, was the first molecule on Earth to self-replicate and begin the process of evolution that led to more advanced forms of life, including human beings.

The main causes of climate change are: Humanity's increased use of fossil fuels – such as coal, oil and gas to generate electricity, run cars and other forms of transport, and power manufacturing and industry. Deforestation

Volcanologists can predict eruptions—if they have a thorough understanding of a volcano's eruptive history, if they can install the proper instrumentation on a volcano well in advance of an eruption, and if they can continuously monitor and adequately interpret data coming from that equipment.

6 0
3 years ago
Consider the image of the female reproductive organs. Where in the diagram would a fertilized egg implant and develop into the f
Evgesh-ka [11]
The fertilized egg implants within the walls of the uterus. As the fetus develops, the uterus expands to accommodate the growth and development.
4 0
3 years ago
Other questions:
  • When plants absorb and incorporate nitrogen into the soil it is called
    11·1 answer
  • In an enzyme-mediated reaction, the activation energy will be ________ the activation energy required for a reaction without an
    11·1 answer
  • Which of the following steps in prokaryotic binary fission is correct?
    12·1 answer
  • Why should people care about invasive species?
    15·1 answer
  • Name the two parts of CRISPR and explain what each does
    13·1 answer
  • Can anyone help me out here? This is the final question I have to do, and it is really hard and it is due at 5:00!
    8·2 answers
  • Some proteins, like Response area, have the function of Response area. Nucleic Acids, like Response area, are responsible for Re
    5·1 answer
  • Most plants have different colors in the fall because ________.
    8·1 answer
  • Rays of the sun hitting your face. is it potential energy kinetic energy or both
    14·1 answer
  • About this much of the energy released from food molecules during catabolism is released as heat:______.
    5·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!