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
Nina [5.8K]
2 years ago
14

Which of the following is an example of how a scientist might use a model?

Chemistry
2 answers:
Lady_Fox [76]2 years ago
7 0

The answer is 100% A

The slinky is the model... it simulates a wave.

A wrench, stopwatch, or microscope is not a model.

anzhelika [568]2 years ago
4 0

D Microscopes

because they use them for DNA

a,b,and c, all you an item that can be used and not tested with.

You might be interested in
What information do fossils provide about plants and animals
8_murik_8 [283]

It provides a history on how plants and animals have changed over time

4 0
3 years ago
Which best describes the relationship between air temperature and high and low pressure air
Vsevolod [243]
Snkxmskkxkskkxlalxkmmskzkzk
5 0
2 years ago
What does the mass number of an element represent?
madreJ [45]

Answer:

The mass number tells us the number (the sum of nucleons) of protons and neutrons in the nucleus of an atom. The atomic number (also known as the proton number) is the number of protons found in the nucleus of an atom. It is traditionally represented by the symbol z

Explanation:

8 0
3 years ago
Read 2 more answers
A 15.00 L sample of Helium gas has a mass of .002 kg. What is the
Anarel [89]

Answer:

d=1.33x10^{-4}kg/L

Explanation:

Hello there!

In this case, according to the given information, it turns out possible for us to calculate the required density by knowing it is calculated by dividing mass over volume:

d=m/V

Therefore, we plug in the given kilograms and liters to obtain:

d=\frac{0.002kg}{15.00L}\\\\d=1.33x10^{-4}kg/L

Which shows the proper scientific notation.

Regards!

5 0
2 years ago
Write a hypothesis for how did the Hawaiian island chain form
rosijanka [135]
It may have formed from volcanoes, which would be your hypothesis, and then you'd have to explain how the variables caused this.
7 0
2 years ago
Read 2 more answers
Other questions:
  • What is a Cilla ? What does it look like ? (In drawing )
    6·1 answer
  • Consider the compound Pb(SO4)2 and answer the following questions:
    11·1 answer
  • Consider the following reaction. SO2Cl2 → SO2 + Cl2. After collecting experimental data you found that plotting ln[SO2Cl2] vs. t
    5·1 answer
  • which two conditions can limit the usefulness of the kinetic-molecular theory in describing gas behavior
    15·1 answer
  • A _______ is formed when tectonic plates collide.
    8·1 answer
  • Infrared spectroscopy is a useful tool for scientists who want to investigate the structure of certain molecules. Which of the f
    12·1 answer
  • How might you explain the difference between the pH values of the 0.01 M HCl (pH = 1.1) and the 0.01 M HC2H3O2 (pH = 3.6)?
    9·2 answers
  • Anyone please help I’m in summer school please
    13·1 answer
  • Please help!!! What is electrolysis?
    14·2 answers
  • In the reaction of a carbonyl compound with silver cyanide, the lone pair of electrons on the nitrogen are the one that attack t
    11·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!