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
Gekata [30.6K]
3 years ago
9

The first known telescopes, used around 1600, consisted of a lens and an eyepiece. Today, telescopes are often computer controll

ed and consist of a complicated array of sophisticated lenses. Which statement correctly describes how telescopes have changed over time?
Chemistry
1 answer:
Veseljchak [2.6K]3 years ago
4 0

Answer:

B.

Explanation:

The telescopes of the 1600s were gradually improved upon over time, resulting in the telescopes that are available today.

You might be interested in
Use the drop-down menus to complete each statement.
aleksley [76]

<u>Explanation:</u>

<u>1. Have many moons:</u>

  • Jupiter is the fifth planet from the Sun and the biggest in the Solar System and it has fifty-three moons which are confirmed and twenty-six provisional moons and totally it has seventy-nine moons and it is the only planet which has many moons.

<u>2. Have a rocky composition:</u>

  • The planets which have rocky composition are also called the terrestrial planets.
  • The planets which have rocky composition are listed below mercury, venus, earth, and mars and they are smaller in size.

<u>3. Revolve quickly around the Sun: </u>

  • Mercury is the quickest planet, which rushes around the sun at 47.87 km/s. And it revolves around the sun quickly.

<u> 4. Rotate quickly on their axes: </u>

  • The giant gas planets like Jupiter, Saturn, etc... spin more quickly on their axes than the other planets

6 0
2 years ago
Read 2 more answers
Scientists have categorized trees based on whether they keep or lose their leaves each year. Another logical way to categorize t
Zolol [24]

Answer:

D

Explanation:

I think but it is an better attempt than the other guy answer.

5 0
2 years ago
Which statement is the best example of pseudoscience?
pentagon [3]
Mary thinking her astrological sign, Leo, is a perfect fit for her personality is a belief in pseudoscience because there is not scientific evidence confirming such beliefs.
The answer is the second option.
8 0
2 years ago
Read 2 more answers
Sodium hydroxide, NaOH, is a strong base that is used in industrial synthesis and processes such as making paper.
geniusboy [140]
No' of molecules divide by avogadro number , 6×6.023×10^23 so (2.2×10^22)÷(6.023×10^23)
= 0.03653 moles
moles × Molar mass = mass
n×Mr=m
0.03653×40 = 1.46 grams
8 0
3 years ago
Read 2 more answers
Please help with this lab !
vekshin1
To get out the iron filings put everything in to a container and then put the magnet to the side to attract them. Pull them out of the container. Then, I don’t know how to separate the sand and salt. Maybe evaporate the salt? I joke you can figure it out. Best of luck! :)
4 0
3 years ago
Other questions:
  • The lower the percent of energy required for a machine to perform work, the more energy efficient it is. Please select the best
    5·2 answers
  • Volume increases, pressure stays the same, temperature
    14·1 answer
  • Calculate the density, in grams per liter, of hydrogen sulfide gas, h2s, at 56oc and 967 mmhg. [1] g/l
    8·1 answer
  • Which of the following is a result of glycolysis? production of CO2 conversion of glucose to two, three-carbon compounds a net l
    8·1 answer
  • 1. AA, AAA, C and D cells all deliver the same voltage( 1.5V) when the batteries are fully charged. However,as the size of the b
    5·1 answer
  • With what allotrope of oxygen is it isoelectronic in NO2- ?
    14·1 answer
  • A type of erosion that occurs when large chunks of land or rock break away due to gravity.
    12·2 answers
  • What is the potential energy of the ball as it is half way through the fall, 20 meters high?
    13·1 answer
  • which substance is composed of electrically neutral groups of ions that are held together by electrostatic forces?
    9·1 answer
  • Be sure to answer all parts. Enter your answer in scientific notation. What is the length in inches (in) of a 100-meter soccer f
    6·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!