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
nikklg [1K]
3 years ago
11

Which is an expression? A. 1 = 3 - 2 B. 2 + 5 = 5 + 2 C. 4+ 3 < 9 D. 26

Chemistry
2 answers:
Helga [31]3 years ago
3 0

Answer:

A. 1 = 3 - 2

Explanation:

What defines an expression?

expression - An expression is a sentence with a minimum of two numbers and at least one math operation. This math operation can be addition, subtraction, multiplication, and division.

So if we look at the letter options we can see that A is the best choice.

hram777 [196]3 years ago
3 0
A






.....................
You might be interested in
Which of the following is an indicator of a chemical reaction?
yuradex [85]

Answer:

B

Explanation:

B is the best showing of a chemical reaction out of the choices

3 0
3 years ago
Read 2 more answers
A prairie dog runs into its burrow as a coyote approaches.This behavior helps the prairie dog
Nookie1986 [14]
This behavior helps the prairie dog from being prey upon by coyote.
Prairie dogs live in burrow and they normally do not move much away from their burrows. When they sense danger they will dash quickly back into their burrows. This behavioral adaptation protect them from predators.
4 0
4 years ago
Fluorine gas is placed in contact with calcium metal at high temperatures to produce calcium fluoride powder. What is the formul
Rudik [331]
F₂(g) + Ca(s) → CaF₂(s)
5 0
4 years ago
Read 2 more answers
When two hydrogen nuclei combine to form one helium nucleus, nuclear fusion has taken place.. . True or False
Aleks [24]
True.

Nuclear Fusion is a reaction process that involves combination of smaller nuclei to form larger one.


8 0
3 years ago
Read 2 more answers
Revise sentence 2 by adding the correct pronoun.
Sidana [21]

Answer:

his, her

Explanation:

edginuity

3 0
3 years ago
Read 2 more answers
Other questions:
  • Which of the following is not a nanoscale object?
    9·2 answers
  • The change in the standard Gibbs free energy (ΔGº) for the dissociation of nitrous acid (HNO2) at 298 K is 19.09 kJ. If the pH o
    15·1 answer
  • The total number of moles represented by 20 grams of CaCO3 is
    13·1 answer
  • Select all that apply.
    8·1 answer
  • Estimate the density of air (g/L) at 40 degrees celsius and 3 atm. Report answer in units of g/L &amp; two significant figures.
    7·1 answer
  • A percent composition is a percentage of a compound in a sample expressed as a fraction of the whole sample.
    5·2 answers
  • Match the appropriate name for each chemical reaction description provided.
    7·1 answer
  • Which of the following most likely happens when the volume of a gas increases?
    5·1 answer
  • Which of the following natural factors is likely to support the formation of an oceanic island?
    6·2 answers
  • Sodium chloride is composed of molecules that are stable when dry. In water, the atoms of the molecules separate from each other
    10·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!