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
Igoryamba
2 years ago
13

What do we use to keep track of major Earth events?​

Chemistry
1 answer:
zloy xaker [14]2 years ago
5 0

Answer:There are 3 primary methods and those are

Radiation Measurement.

Stratigraphic Superposition.

The Fossil Record.

Explanation:

You might be interested in
Convert 239 km/hr into m/min
eduard

Answer:

Explanation:

we know that 1 km =1000 m and 1 hour =60 min

therefore

239 km/hr =239*1000m/60 min=3983.3 m/min

6 0
3 years ago
Read 2 more answers
Explain how you would use the IR spectra to characterize ferrocene, acetyl ferrocene and diacetyl ferrocene.
motikmotik

Answer:

..........................

Explanation:

........................

6 0
3 years ago
What is the electron arrangement of bromine
stira [4]
[Ar] 3d10 4s2 4p5 is the electron configuration of bromine
3 0
3 years ago
Essay
Troyanec [42]

Answer:

A radionuclide is an atom that has excess nuclear energy, making it unstable. This excess energy can be used in one of three ways: emitted from the nucleus as gamma radiation; transferred to one of its electrons to release it as a conversion electron; or used to create and emit a new particle from the nucleus. Wikipedia

The existence of isotopes contradicts part of Dalton's original atomic theory because he said all atoms of a given element are identical have the same mass size and chemical properties.

6 0
2 years ago
What is true of tectonic plates?
kupik [55]

Answer:

Plate tectonics is the theory that Earth's outer shell is divided into several plates that glide over the mantle, the rocky inner layer above the core. The plates act like a hard and rigid shell compared to Earth's mantle. ... The lithosphere includes the crust and outer part of the mantle.

Explanation:

3 0
3 years ago
Other questions:
  • What is the correct name for the compound CoCl3?
    11·2 answers
  • a person drinks eight glasses of water each day, if each glass contains 300mL how many liters of water does a person drink in a
    15·1 answer
  • The mass of a watch glass was measured four times. The masses were
    9·2 answers
  • What is the molarity of a 0.40 L Solution with 6.2 g KCl?
    8·1 answer
  • What is the formula for silicon tetrabromide?
    5·2 answers
  • All rocks began as what type of rock?<br> planetary<br> igneous<br> metamorphic<br> sedimentary
    5·1 answer
  • How does the ionosphere affect radio frequencies?
    14·1 answer
  • Explain how the atoms are held together by tge covalent bond in a molecule of hydrogen?
    14·1 answer
  • How does matter change its phase?
    8·1 answer
  • Which sentence describes the energy changes that occur when a chemical reaction happens?
    15·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!