« previous next »

Author Question: The search for life in the solar system that is similar to life on Earth is essentially a search for ... (Read 111 times)

scienceeasy

  • Hero Member
  • *****
  • Posts: 565
on: Jul 27, 2018
The search for life in the solar system that is similar to life on Earth is essentially a search for
 
  A) organic molecules
  B) liquid water
  C) molecular oxygen
  D) energy sources

Question 2

Why does light seem to go straight through an open doorway whereas sound seems to spread out when it goes through the same doorway?
 
  What will be an ideal response?


Danny Ewald

  • Sr. Member
  • ****
  • Posts: 332
Reply #1 on: Jul 27, 2018
Answer to Question 1

B

Answer to Question 2

It has to do with the relative sizes of their wavelengths. The wavelength of light is << opening size so very small diffraction; sound wavelengths are >> opening so diffraction is significant.


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
« previous next »
 

Did you know?

In 1886, William Bates reported on the discovery of a substance produced by the adrenal gland that turned out to be epinephrine (adrenaline). In 1904, this drug was first artificially synthesized by Friedrich Stolz.

Did you know?

The average adult has about 21 square feet of skin.

Did you know?

The first monoclonal antibodies were made exclusively from mouse cells. Some are now fully human, which means they are likely to be safer and may be more effective than older monoclonal antibodies.

Did you know?

Earwax has antimicrobial properties that reduce the viability of bacteria and fungus in the human ear.

Did you know?

Urine turns bright yellow if larger than normal amounts of certain substances are consumed; one of these substances is asparagus.

Lightning on Earth Lightning on Earth
Block Diagram of Single-stage Pressure System for Dual-Stage Pressure Production of Nitric Acid Block Diagram of Single-stage Pressure System for Dual-Stage Pressure Production of Nitric Acid
The respiratory system and the process of gas exchange. The respiratory system and the process of gas exchange.
Celine Dion - Loved Me Back To Life (Hudson Leite & Thaellysson Pablo Remix) Celine Dion - Loved Me Back To Life (Hudson Leite & Thaellysson Pablo Remix)
Respiratory system Respiratory system
Sexual Phase of the Fungal Life Cycle Sexual Phase of the Fungal Life Cycle
Video: System organization - PPM system types (Somatic, Autonomic & Enteric) and Reflex arc types

For a complete list of videos, visit our video library