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
Sloan [31]
3 years ago
15

In a high school laboratory, which of the following constitutes an experiment? I. learning to use a microscope by examining fixe

d specimens on slides II. being able to examine swimming protists under a microscope III. extracting pigments from plant leaves and separating the types of pigments for identification IV. preparing root tips for examination by staining them
Biology
1 answer:
victus00 [196]3 years ago
7 0

Answer:

The correct answer is - option III.

Explanation:

An experiment is scientific procedure to test a hypothesis and to demonstrate any scientific procedure to prove something. In high school laboratories there are experiments constitutes scientific methods that helps in demonstrate or prove or existence of something.

Extracting various pigments from the leaves of plants and identifying them by separating from it, is the best example of the high school laboratory experiment among all the options.

Thus, the correct answer is - option III.

You might be interested in
The extinction vortex represents the idea that even if an organism is extant, it may have a gene pool that will not support its
NISA [10]

Answer:

True.

Explanation:

Extinction vortex is a model used by scientists to understand extinction dynamics within a community. This model allows scientists to assess and understand how a population can become highly vulnerable to elements of its habitat, becoming increasingly apt for extinction. According to this model, any organism is capable of extinction, as all are susceptible to having a gene pool that will not allow its survival, regardless of the environment.

4 0
3 years ago
The composition of the secretions of the eccrine glands is ________.metabolic wastes99% water, sodium chloride, trace amounts of
Gekata [30.6K]

Answer:

99% water, sodium chloride, trace amounts of wastes, and vitamin C

Explanation:

Eccrine glands are the main and major sweat glands of our body. These glands are found all over the skin but their density is higher on palm, soles, and head.  

99% of the secretion of the eccrine gland is water and in rest 1% it contains sodium, trace amounts of waste and a high amount of vitamin C is lost by the eccrine gland.  

As the eccrine gland is responsible for sweating so it helps in thermoregulation in the body. As 99% of secretion is water therefore dehydration and water loss is the major worry during excessive sweating.

4 0
3 years ago
Part a fill in the blanks in the table below where both δh and δs refer to the system. complete the table by dragging the labels
VMariaS [17]
H S G Low temperature and High temperature.
When H is negative and S positive and G negative there will be spontaneous low temperature and spontaneous high temperature. When H is negative, and S is negative and temperature dependent then the low temperature will be spontaneous and high temperature will be non-spontaneous. When H is positive and S is positive then the temperature dependent and low temperature are non-spontaneous and high temperature will be spontaneous. When H will be positive and S is negative then G will be positive, the low temperature will be non-spontaneous and high temperature will also be non-spontaneous.
5 0
4 years ago
Read 2 more answers
After the delivery of her child, the mother went to the _________ unit of the hospital.
Nutka1998 [239]
After  the   delivery  of  her  child,  the  mother  went  to  the  postpartum  unit  of the   hospital
  The  postpartum  unit  of   a  hospital  is  the  area  where  babies  (new  born)   and  their  moms    recover  after  birth.  In  the  postpartum unit   the  neonatal  nurse   specialist   focus  on  the  care  of   newborn  infant.  The  nurses  focuses  their  care  for  premature or  ill  newborns.
8 0
3 years ago
Photosynthesis is an example of
Fed [463]
A reaction that emits energy
5 0
4 years ago
Read 2 more answers
Other questions:
  • What might occur if a solar eclipse lasted longer?
    9·1 answer
  • As rescuers in a population becomes less available.the population
    10·1 answer
  • When purchasing bedding plants to achieve a mass of landscape color, factors to consider include:?
    15·2 answers
  • I have questions and i need answers
    13·1 answer
  • A scientist wrote an article about a drug that he believes reduces the effects of viral infections. Which of these MOST LIKELY n
    10·2 answers
  • Which of the following is found in large quantities in the Earth’s crust?
    6·2 answers
  • Why is radiation an effective treatment<br> for cancer?
    15·1 answer
  • What happens in week 28 of pregnancy? (Check-in Webmd.com) In your own words.
    6·1 answer
  • What is the cause of the differences in the offspring?
    6·1 answer
  • Explain what happens when the 3rd phosphate is removed from the ATP​
    13·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!