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
oksian1 [2.3K]
4 years ago
7

How do scientists determine the toxicity of a chemical

Biology
2 answers:
DedPeter [7]4 years ago
7 0
By the effect it has on a living thing
aleksandr82 [10.1K]4 years ago
6 0

Answer:

Toxicity can be measured by the effect the substance has on an organism, a tissue or a cell. We know that individuals will respond differently to the same dose of a substance because of a number of factors including their gender, age and body weight. Therefore a population-level measure of toxicity is often used

Explanation:

You might be interested in
I need help asap pls and thank you.
VladimirAG [237]

Answer:

i think it would be A (aka the first answer)

Explanation:

im sorry if im wrong

3 0
3 years ago
Read 2 more answers
Why the skin is categorised as an organ?
DaniilM [7]

The integumentary system (skin) has been called a membrane and an organ but, it is generally considered a system because it has organs that work together as a system. It is sometimes considered an organ because it contains several types of tissues and a membrane and it covers the body.

8 0
3 years ago
Read 2 more answers
Okay last one somebody please help ?
erastovalidia [21]

Answer:

It is A Pls correct me if I'm wrong

Explanation:

4 0
3 years ago
When you sneeze, air is forcefully exhaled from your nose. As the air exits the nose, what is the last structure the air will pa
inn [45]

The last structure the air will pass through will be External nares

<u>Explanation:</u>

The upper portion of the respiratory tract is the nasal cavity and the nose. The external nose forms the first and foremost respiratory tract area. Nose is the major part that is responsible in exchanging air with the atmosphere. It is responsible for the human survival.

There are two openings in a nose. These are called as nostrils. They are also called as exterior nares. The air from the atmosphere when inhaled it enters into the nostril. from there is is sent to the nasal cavity. Nasal cavity is the place where the air that is inhaled will be purified and it is transported to various human parts. thus, when air contains any dust or impurities it will make you to sneeze thereby the air gets out of the nose through  External nares

5 0
3 years ago
Differentiate the types of muscle- skeletal, cardiac, smooth
Phantasy [73]

Answer:

Skeletal muscle moves bones and other structures. Cardiac muscle contracts the heart to pump blood. The smooth muscle tissue that forms organs like the stomach and bladder changes shape to facilitate bodily functions.

Explanation:

4 0
2 years ago
Read 2 more answers
Other questions:
  • When you observe data that consistently increases or decreases in response to a variable, you are observing a trend.
    8·1 answer
  • Identify the position of the fetus whose buttocks are in the fundus, whose fetal back is on the maternal right side between the
    7·1 answer
  • Which of the following describe a chemical change? Select all that apply.
    10·1 answer
  • Explain why we see such diversity between living organisms with only 4 nitrogen bases
    15·1 answer
  • Evidence of climate changes and conditions that affected early societies are gathered from _____. written records ice core sampl
    12·1 answer
  • Fill in the blanks to complete the passage.
    6·2 answers
  • Define amino acids, polypeptides, and<br> proteins.
    12·1 answer
  • What is a B cell? A- a virus that makes bacteria B- a lymphocyte that makes antibodies C-an antigen that makes antibodies D- a p
    8·1 answer
  • Please help me, I attached the question because it has a picture for the question. help ASAP
    10·1 answer
  • In Figures 1 and 2 above, label the A-bands, I-bands, and H-zones. Measure
    6·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!