This topic contains a solution. Click here to go to the answer
« previous next »

Author Question: Why is the hypothesis that life on Earth came from outer space considered plausible? A) because ... (Read 34 times)

viki

  • Hero Member
  • *****
  • Posts: 525
on: Jul 27, 2018
Why is the hypothesis that life on Earth came from outer space considered plausible?
 
  A) because alien DNA is like human DNA
  B) because organic molecules have been found in space
  C) because many meteorites contain complex organic molecules
  D) because Earth has had many collisions in its history
  E) because Earth formed with the Sun from the solar nebula

Question 2

In Hubble's classification, which type of galaxy has a small bulge and loose, widely spread, poorly defined spiral pattern?
 
  A) SO
  B) S9
  C) Sa
  D) Sc
  E) SBw


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

carlsona147

  • Sr. Member
  • ****
  • Posts: 341
Reply #1 on: Jul 27, 2018
Answer to Question 1

C

Answer to Question 2

A


viki

  • Member
  • Posts: 525
Reply 2 on: Jul 27, 2018
YES! Correct, THANKS for helping me on my review

kilada

  • Member
  • Posts: 311
Reply 3 on: Yesterday
Wow, this really help

« previous next »
 

Did you know?

Certain chemicals, after ingestion, can be converted by the body into cyanide. Most of these chemicals have been removed from the market, but some old nail polish remover, solvents, and plastics manufacturing solutions can contain these substances.

Did you know?

The Romans did not use numerals to indicate fractions but instead used words to indicate parts of a whole.

Did you know?

More than 2,500 barbiturates have been synthesized. At the height of their popularity, about 50 were marketed for human use.

Did you know?

Ether was used widely for surgeries but became less popular because of its flammability and its tendency to cause vomiting. In England, it was quickly replaced by chloroform, but this agent caused many deaths and lost popularity.

Did you know?

Nitroglycerin is used to alleviate various heart-related conditions, and it is also the chief component of dynamite (but mixed in a solid clay base to stabilize it).

The adrenal glands. These glands sit on top of each kidney. Each adrenal is subdivided into an outer The adrenal glands. These glands sit on top of each kidney. Each adrenal is subdivided into an outer
The meninges from the outside in: dura mater, arachnoid, and pia mater. Also showing the subarachnoi The meninges from the outside in: dura mater, arachnoid, and pia mater. Also showing the subarachnoi
Stressful Life Events, 5-HTT, and Depression Stressful Life Events, 5-HTT, and Depression
This cover of Life (1925) offered a stereotypical rendering of the new generation: a young couple .. This cover of Life (1925) offered a stereotypical rendering of the new generation: a young couple ..
Ocean cover most of Earth’s surface Ocean cover most of Earth’s surface
Life cycle of Dictyostelium discoideum, a cellular slime mold Life cycle of Dictyostelium discoideum, a cellular slime mold
Video: Regulation of GFR: three methods, autoregulation & autoregulation via myogenic mechanism

For a complete list of videos, visit our video library