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
Marizza181 [45]
3 years ago
14

He distance from Earth to the North Star is about 430 light-years. Which of the following statements describes why scientists us

e the light-year unit to measure distances in space?
A light-year unit is very small and distances in space are very small.


A light-year unit is very small and distances in space are very large.


A light-year unit is very large and distances in space are very small.


A light-year unit is very large and distances in space are very large.
Chemistry
1 answer:
garri49 [273]3 years ago
8 0

Answer:

D

Explanation:

because the rest don’t make any sense

You might be interested in
The harmonic law would suggest that Neptune will take how much time to orbit the Sun than Mercury?
Delicious77 [7]
The harmonic law would suggest that Neptune will take a longer amount of time to orbit the sun than Mercury. That's what I think anyways
8 0
3 years ago
Read 2 more answers
What is the formula of nitrous acid?
Charra [1.4K]
That formula would be HNO2
5 0
3 years ago
Read 2 more answers
An organic chemist plans for the synthesis of a complex organic molecule by
VladimirAG [237]

In order to synthesize a complex organic molecule, the chemist should at least illustrate or imagine the bonds that are in need to be cut down or to separate in order to obtain the compound that can be easily changed.

7 0
3 years ago
Methane gas and oxygen gas react to form water vapor and carbon dioxide gas. What volume of water would be produced by this reac
bagirrra123 [75]

Answer:

7.2L

Explanation:

The details of the solution are found in the answer. The balanced stoichiometric equation is first written and the volumes on the left and right hand sides dilligiently compared and calculations are made based on simple comparisons as show.

4 0
3 years ago
What occurs when potassium reacts with chlorine to form potassium chloride?
schepotkina [342]

The potassium will donate one of its valence electrons

6 0
3 years ago
Read 2 more answers
Other questions:
  • Balance the following equation by inspection: <br> Cu + HNO3 --&gt; Cu(NO3)2 + H2O +NO
    12·2 answers
  • What is the mass of a neutron?
    13·2 answers
  • Which of the following is the best description of a career?
    5·1 answer
  • Calculate the extinction coefficient where the concentration is in mg/ml and the path length is 1 cm. What dilutions of the stoc
    6·1 answer
  • Which of the following substance is usted up during photosynthesis
    14·1 answer
  • Assume you find four bottles in an empty laboratory, each containing a liquid. The labels that were on these bottles have fallen
    14·1 answer
  • Object A and B have the same mass. Which object is experiencing a stronger gravitational force?
    9·1 answer
  • A student wishes to determine the chloride ion concentration in a water sample at 25 °C using a galvanic cell constructed with a
    14·1 answer
  • Strigol is an important plant hormone that is released by crops such as rice and sugarcane. Unfortunately for these plants, stri
    13·1 answer
  • Determine the pressure change when a volume of gas at 760 mmHg is heated from 30.0 °C to 40.0 °C.
    12·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!