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
FinnZ [79.3K]
3 years ago
8

Prehistory can be described as _____.

Physics
1 answer:
user100 [1]3 years ago
6 0
The in-between period of time when the first man appeared and when man developed a writing system. Or the period of time before man became literate. 
You might be interested in
Why do you think matter so varied
Natali [406]

Answer:

Matter is anything that has mass and takes up space. A mixture is matter that can vary in composition.....because, the substances in a heterogeneous mixture are not evenly mixed, two samples of the same mixture can have different amounts of the substance....

Hope this answer help u!!!!

Pls mark as brainlist!!!

6 0
3 years ago
17. Which of the following is NOT a testable
Artemon [7]

Answer:

c. testing student opinions

Explanation:

opinions aren't factual and they would not aide an experiment if it wasn't for a social experiment.

7 0
2 years ago
In the forest (phrase—noun, but no subject and no verb) Smashing against the bat (phrase—verb but no subject) Before our first c
gayaneshka [121]

Yes all those are correct, but I don't know what the question was

6 0
3 years ago
Phoebe's insulated foam cup is filled with 0.15 kg of coffee (mostly water) that is too hot to drink, so she adds
Nesterboy [21]

Answer:

65 Celsius.

Explanation:

8 0
3 years ago
What happens to the energy of a photon if the wavelength is doubled?.
Vladimir [108]

Answer:

Halving the wavelength doubles the frequency and, thus, doubles the energy of the incident photons. This doubles the energy given to each electron, nearly doubling its kinetic energy after it is free from the metal.

8 0
2 years ago
Other questions:
  • A wrench 0.500 m long is applied to a nut with a force of 80.0 N. Because of the cramped space, the force must be exerted upward
    10·1 answer
  • An agent has just listed a power plant. This is an example of what type of real estate?
    7·1 answer
  • a. How many excess electrons must be distributed uniformly within the volume of an isolated plastic sphere 25.0 cm in diameter t
    11·1 answer
  • A box of oranges which weighs 83 N is being pushed across a horizontal floor. As it moves, it is slowing at a constant rate of 0
    7·2 answers
  • If you were on the open ocean on a large ship, what steps would you do to determine the height of a wave?
    14·1 answer
  • How would life be different for people in Basel Switzerland if they didn’t have the Rhine river
    11·1 answer
  • Create a multimedia presentation about your favorite element.
    12·2 answers
  • The Skeleton does a surprising number of things. What are the three main Ones? lol, it's due today at 12:59 pm I need help.
    5·1 answer
  • Can Vehicles us bike lanes when they are empty?
    10·1 answer
  • Quick Quiz 40.2 While standing outdoors one evening, you are exposed to the following four types of electromagnetic radiation: y
    5·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!