hopeedwards hopeedwards

02-05-2017
Chemistry

contestada

what methods did geologists use when they first developed the geologic time scale

Respuesta :

Aperson3638 Aperson3638

02-05-2017

relative dating, law of superposition, then absolute dating.

Answer Link

ncsd43093 ncsd43093

02-05-2017

Scientists first developed the geologic time scale by studying rock layers and index fossils then placing them in order by relative age.

Answer Link

Otras preguntas

Dana wants to determine the molar mass of magnesium hydroxide, Mg(OH)2. Which calculation should she use? A) (atomic number of Mg) + (2 x atomic number of O) +

Approximately 65% of all marketing personnel are extroverts, whereas about 55% of all computer programmers are introverts. (Round your answers to three decimal

Is space-time and concept of "now" an illusion?

Write the first ten terms of the geometric sequence a1 = 3, r = 1.1 to two decimal places. Am I supposed to multiply 3 by 1.1 ten times?

Which statements are true regarding undefined and defined terms? Check all that apply. The characteristics of an undefined term cannot be described. Undefined

The united states secretly and illegally arranged the sale of military arms to iran in return for its help in freeing american hostages. this became known as:

Your friend is giving a speech tomorrow and is worried because she just got an unflattering haircut. she is convinced everyone will stare at her bangs and will

The strongest monarchies in europe were in france, england, spain, and _______.

Females, who may be emotion-focused, are likely to “_____”—that is, to seek the company of other people when they are under pressure.

Dr. frye conducts research investigations on memory, with the intent of contributing to what is known about human memory processes. this is known as what?