Seudónimo Seudónimo

13-12-2016
Biology

contestada

20 PTS
How do scientists learn about Earth's interior?
What kind of waves tell them that there are different layers?

( please help, this assignment's due today )

Respuesta :

destanyhale32231 destanyhale32231

13-12-2016

Scientists learn about Earth's interior by studying seismic waves. Seismic waves tell them that there are different layers.

Answer Link

alyssa911DFTBA alyssa911DFTBA

16-12-2016

Scientists use probes and pulses to learn about the earths interior.

Based on the penetration of the wave, scientists can know the density of the layers

Answer Link

Otras preguntas

If a condition that is not a necessary causative factor is present, it is referred to as _____. a.)separatism b.)incidental c.)effect d.)motivation

how does a merit system improve government

Which of the following statements best describes French settlers' treatment of Native Americans? A. French settlers enslaved Native Americans and forced them to

A 48 fluid ounce container orange juice cost $2.40. 60 fluid ounce container of orange juice cost $3.60. Which is the better buy?

1) on combustion, 1 mole of an alkane gives 2 moles of carbon dioxide and 3 moles of water. Suggest the molecular formula of this alkane 2)the hydrocarbon, dedo

What was the Delian League? A. an organization of Greek women who supported the soldiers in their quest for victories over enemies B. a defensive alliance of G

Which address uses correct punctuation? a. 191 Daisy Drive, Richmond Virginia, 23231 b. 191 Daisy Drive, Richmond, Virginia, 23231 c. 191 Daisy Drive, Richmond

What is the total price of a $15 meal including 6% sales tax?

A square garden is 12 feet long on each side Janet needs to put a post at each corner. She needs a post every 3 feet on each side

How many electrons, protons, and neutrons does Li have?