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
In-s [12.5K]
3 years ago
15

Which of the following describes a properly controlled experiment?

Biology
1 answer:
finlep [7]3 years ago
6 0
The answer is a. It’s the only one with a control group
You might be interested in
What patterns do seismographic (earthquake) data reveal?
Law Incorporation [45]

Answer:

It's the pattern of lines that was the recird of an earthquake's seismic waves produced by a seismograph. What pattern do seismographic data reveal? It shows where earthquakes occur around the world. Geologists will make maps out of this data and find out the most earhquakes occur along plate boundaries.

Explanation:

4 0
3 years ago
Which substance do cells in the human body need to carry out cellular respiration?
SIZIF [17.4K]
Energy in form of ATP.

Hope it helped!

3 0
3 years ago
How does the presence of water on Earth support life?
irinina [24]

Answer:

Easy

Explanation:

In this regard, water is essential simply because it's a liquid at Earth-like temperatures. Because it flows, water provides an efficient way to transfer substances from a cell to the cell's environment.

8 0
3 years ago
Please help I would really appreciate it
Mazyrski [523]

Answer: the answer is cell wall

Explanation:The cell wall is an outer protective membrane in many cells including plants, fungi, algae, and bacteria. Animal cells do not have a cell wall. The main functions of the cell wall are to provide structure, support, and protection for the cell

4 0
3 years ago
For each of the following statements, indicate if it describes weather or climate, and briefly explain why. If you think a state
Maslowich
Here is the difference between a climate and a weather that will help explain the given statements. When we say climate, this is the weather condition that exist in an area or a particular region over a LONG PERIOD OF TIME. On the other hand, weather is <span>the state of the atmosphere at a place and time as regards heat, dryness, sunshine, wind, rain, etc. This changes often.
So here are the answers.
1. Weather
2. Climate
3. Weather
4. Weather
5. Weather
6. Weather
7. Weather
8. Weather
9. Climate
10. Climate
11. Weather
12. Weather
13. Climate
14. Weather
15.Weather</span>
5 0
4 years ago
Read 2 more answers
Other questions:
  • What are mutations, and how can they effect proteins?
    8·2 answers
  • Which of the following best describes the velocity of an object ?
    10·2 answers
  • Describe how vesicles containing proteins move in and out of the cell membrane
    13·1 answer
  • Which of the following results from a mark-recapture study done on mice would reflect a larger population size? When taking the
    7·1 answer
  • Compare and contrast optical and radio telescope
    13·1 answer
  • Plz help with my hmwk​
    13·1 answer
  • The bird in the photo is resting on the bison to cross the river. It's also utilizing the bison as a safety place for any alliga
    14·1 answer
  • Which organelle<br> produces the cells energy
    5·2 answers
  • Explain how a parasite is harmful to its host. Provide an example in your explanation.
    9·2 answers
  • Why is this research on the zebrafish golden gene important for understanding human biology?
    8·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!