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
Darya [45]
3 years ago
9

A measure of the number of particles of a substance in a given volume

Biology
1 answer:
Misha Larkins [42]3 years ago
7 0
A measure of the number of particles of a substance in a given volume would be concentration. <span>In chemistry, </span>concentration<span> is the abundance of a constituent divided by the total volume of a mixture. There are a number of ways expressing it such as molarity, molality, normality, ppm, percentage and the like.</span>
You might be interested in
Which statistic is used to test hypotheses about individual regression coefficients?
k0ka [10]
<span>TESTING HYPOTHESIS ABOUT INDIVIDUAL REGRESSION COEFFICIENTS: t STATISTIC) : The t statistic. Used to determine which of the independent variables influences the dependent variable. Whether a particular independent variable influences the dependent variable Test whether the true value of the parameter estimate is zero. The higher the value of the t-statistic, the smaller the value of the regression coefficient is zero.</span>
7 0
3 years ago
Which term is the part of photosynthesis when energy is used to make sugar
Allisa [31]

glucose  would be the answer because glucose is basically sugar

4 0
3 years ago
The suprachiasmatic nuclei enable the nervous system to respond to daily light/dark alterations through their stimulation of
timama [110]

Answer:

The suprachiasmatic nuclei enable the nervous system to respond to daily light/dark alterations through their stimulation of melatonin.

Explanation:

Melatonin is a hormone produced naturally by the body. Its function is to regulate the body's circadian cycle. This hormone is stimulated and begins to act by changing between a light environment and a dark environment. This stimulation interacts with the suprachiasmatic nuclei making the nervous system understand this change and luminosity of the environment and respond to the action of melatonin.

8 0
3 years ago
Which of the following organisms are photosynthetic autotrophs? Select all that apply.
Novosadov [1.4K]

(A)Algae

(B)Plants

(D)Some Bacteria

6 0
3 years ago
Read 2 more answers
If an organism has a vestigial structures that structure likely once had a function in a
nikitadnepr [17]
I’m sure the answer is early ancestor.
5 0
3 years ago
Read 2 more answers
Other questions:
  • What distinguishes the savanna and grassland biomes?
    15·1 answer
  • What does a new moon look like to us on earth ?
    10·2 answers
  • Certain animal species that are endangered or
    11·1 answer
  • What can you do to make sure you conduct a lab activity in a safe manner. Give 3 examples​
    11·2 answers
  • Mannitol salt agar (MSA) only allows the growth of halophiles (salt-loving microbes). Among the halophiles, mannitol fermenters
    15·2 answers
  • 17. Which of the following statements are accurate?
    11·1 answer
  • How can you tell if an area has high or low pressure?
    9·1 answer
  • What creates the bond between the sodium and chlorine ions
    12·1 answer
  • Help me pleaseyyyyyy
    12·1 answer
  • Describe the role of bacteria in the nitrogen cycle.
    10·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!