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 is the correct answer?
allochka39001 [22]

Answer:

the third one i believe

Explanation:

6 0
3 years ago
Read 2 more answers
The vinegar was used to remove the shell form the raw egg. What other effect(s) did the vinegar have on the egg?
slamgirl [31]
It might have made the egg into a solid. Maaybe like a boiled egg.







3 0
3 years ago
Read 2 more answers
Which term describes the action of lions and hyenas fighting for the right to eat a dead gazelle?
MAVERICK [17]

<u>C. Interspecific competition</u> in ecology, is a form of competition in which individuals of different species compete for the same resources in an ecosystem (e.g. food or living space). This can be contrasted with interspecific cooperation, a type of symbiosis.

4 0
3 years ago
What is organ and tell the some examples of organ
sergiy2304 [10]
Organ- a group of tissues in a living organism
examples- heart, lungs, liver, kidney, and stomach
4 0
3 years ago
Read 2 more answers
In a certain triangle ABC , A equals 30°, B equals 50°, and the side AB equals 3 in. Use a protractor and a straightedge to cons
natali 33 [55]
If you were to compute this, Angle C should be equal to 100°.

In a triangle, all angles sum up to 180°.

In triangle ABC, where the m∠A =30° and m∠50°:

m
∠A + m∠B + m∠C = 180°
30° + 50 + m∠C = 180°
80° + m∠C = 180°
m∠C = 180° - 80°
m∠C = 100°

The triangle should look like the picture attached. 

8 0
4 years ago
Other questions:
  • Which feature of DNA represents the highest (or most complex) level of structure?
    9·1 answer
  • FAST!!! I NEED YOUR HELP!!! MULTIPLE CHOICE!!!
    7·1 answer
  • While reviewing a chart, a notation of 4 edema in the left leg is noted. You would expect to see: Select one:
    10·1 answer
  • The respiratory system allows for gas exchange to happen in the lungs. How does the respiratory system affect the cardiovascular
    8·1 answer
  • Which two methods could be used to reduce the rate of erosion in a given region?
    5·1 answer
  • A sac that stores water salt,and other materials for the cell is called a
    10·2 answers
  • When you eat a piece of bread ,you consume carbohydrates.Which part of the cell is responsible for breaking down a carbohydrate
    15·2 answers
  • What is 0.005 equal to?
    9·1 answer
  • What’s the answer to this question
    7·1 answer
  • (c)
    6·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!