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
Gwar [14]
3 years ago
11

Name nine elements that have been around so long that we don't even know when they

Physics
2 answers:
sergeinik [125]3 years ago
8 0
What was the first known element? Actually, there were nine elements known to ancient man. They were gold, silver, copper, iron, lead, tin, mercury, sulfur, and carbon.
lora16 [44]3 years ago
7 0

Answer:

gold, silver, copper, iron, lead, tin, mercury, sulfur, and carbon

Explanation:

gold, silver, copper, iron, lead, tin, mercury, sulfur, and carbon

-  (These are the most longest elements that have been around very long )

You might be interested in
HELP PLEASE!!!!!
MakcuM [25]

Answer:C

Explanation:All of the energy from the Sun that reaches the Earth arrives as solar radiation, part of a large collection of energy called the electromagnetic radiation spectrum. Solar radiation includes visible light, ultraviolet light, infrared, radio waves, X-rays, and gamma rays. Radiation is one way to transfer heat.

4 0
3 years ago
Read 2 more answers
Need help ??? Please
Yanka [14]
Is there information in the previous question which relates to this one?
8 0
3 years ago
Hello everyone Lubricants are used in machines.Why?Hope u will answer it good day.Thank You✌️​
aalyn [17]

Answer:

Lubrication is used to reduce friction. It is generally used for moving machine parts. The lubricants are the substances which are used to reduce the friction which acts between two surfaces in contact, between which relative motion can occur.

4 0
2 years ago
Read 2 more answers
14. If you are asked to analyze an issue for an essay assignment, what should you do? a. Nb. C. Divide the issue into its main p
ankoles [38]

Answer:

Option C

Explanation:

Divide the issue into its main parts and discuss each part.

5 0
3 years ago
An object accelerates at 3 meters per second when a 10-newton (N) force is applied to it. Which force would cause this object to
Feliz [49]

Answer: Net force

Explanation: all you really have to do is subtrach 3 from ten to get the net force and how fast the object is going

7 0
3 years ago
Other questions:
  • A 0.50-mm-diameter hole is illuminated by light of wavelength 500 nm. What is the width of the central maximum on a screen 2.0 m
    14·1 answer
  • How is the Milky Way changing? A. Large numbers of stars are being born inside nebulas. B. The Milky Way does not change. C. Lar
    11·1 answer
  • What is happening in the picture?
    13·2 answers
  • 1. Say whether the following statements are true or false and explain why:
    9·1 answer
  • A model rocket is launched straight upward with an initial speed of 50.0 m/s. It accelerates with a constant upward acceleration
    8·1 answer
  • g The electric power needs of a community are to be met by windmills with 40-m-diameter rotors. The windmills are to be located
    10·1 answer
  • A woman stands on a scale in a moving elevator. Her mass is 61.0 kg, and the combined mass of the elevator and scale is an addit
    9·1 answer
  • Look at the illustration , what concepts of heat are being shown in this pictures <br>​
    13·1 answer
  • A bullet is fired horizontally at 343 m/s from the top of a building where height is 37.3 m. The built will be
    10·1 answer
  • A 1800kg car has a velocity of 30 m/s to the east what is the momentum of the car <br> p=m(v)
    10·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!