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
umka2103 [35]
3 years ago
10

Which of the following is a testable scientific question

Biology
2 answers:
katovenus [111]3 years ago
4 0

Answer: Just took the test: Its "How does the age of city affect the number of trees in the city? "

sineoko [7]3 years ago
3 0
Where are the questions so i can answer them?
You might be interested in
the wind is a renewable energy source name one more renewable energy source used to generate electricity​
dexar [7]

Answer:

Water

Explanation:

Water is a renewable energy source used to generate electricity. A place where this happens at is dams.

3 0
3 years ago
Read 2 more answers
When a person is cut, the injured tissue initially releases chemical signals into the bloodstream. These chemicals signal platel
guajiro [1.7K]

Answer:

Platelets would release signals to stimulate the production of more platelets

Explanation:

Positive feedback mechanism is one of the two types of feedback mechanisms (other being negative feedback mechanism) in which the products of a process stimulates more of that product to be synthesized or produced. In other words, the result of a reaction increases the secretion of more results.

In this case where the injured tissue of a cut initially releases chemical signals into the bloodstream. These chemicals signal platelets to be attracted to the injured area. However, if this is a positive feedback mechanism as explained above, Platelets would release signals to stimulate the production of more platelets.

4 0
3 years ago
Name the enzyme that breaks down H2O2.. Anybody know?!?!?!?!
Alborosie
The enzyme that breaks down H2O2 is called catalase.
3 0
3 years ago
PLEASE HELP ASAP WILL GIVE 20 POINTS ONLY ANSWER IF YOU KNOW THE ANSWER!!!!!!
JulsSmile [24]
Smart home technology is the general term given to basic home amenities that have been fitted with communication technology, enabling some degree of either automation or remote control. It includes things like Home security systems. Environmental controls, like air conditioning, heating, and lighting.
Explanation:
Environmental controls, like air conditioning, heating, and lighting.A spectrometer is a device for measuring wavelengths of light over a wide range of the electromagnetic spectrum. It is widely used for spectroscopic analysis of sample materials. The incident light from the light source can be transmitted, absorbed or reflected through the sample The solution for space exploration is through using mass spectrometers which are used to identify miniature particles present in space. Mass spectrometers are also used in radioactive and carbon dating. When used with gas chronographs, mass spectrometers detect traces of toxic particles and contaminants in air.
6 0
3 years ago
The first organisms to repopulate an area affected by a volcanic eruption are called _____ species.
sveticcg [70]
Are called HUMAN species
4 0
3 years ago
Read 2 more answers
Other questions:
  • What happens when humans burn fossil fuels?
    13·2 answers
  • Witch one is the answer
    13·1 answer
  • Which of the following species is a K-selected species A.redwoodtrees B.fruits flies C.algae D.grasshoppers
    11·2 answers
  • _____ accounts for almost 70 percent of water use.
    6·2 answers
  • What type of dating is most likely used to determine the absolute age of an animal bone that are less than 45,000 years old?
    5·2 answers
  • How many species of organisms are estimated to inhabit the Earth
    5·2 answers
  • How much of our body is made of muscle? What does this muscle do?
    11·2 answers
  • Question 9
    10·1 answer
  • Mr. and Mrs. Jones just had a baby Mr. and Mrs. Jones both have brown eyes but the new bundle of Joy has blue eyes develop a mod
    5·1 answer
  • If anyone don't know where is leaderboard check the attachment​
    14·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!