What was special about the Tunguska impact in Siberia on 1908? ...

[bio_gurl]

What was special about the Tunguska impact in Siberia on 1908?
 
  A) the object exploded completely before it hit the ground
  B) the object that hit was a comet and not an asteroid
  C) the event had been predicted long before it happened
  D) the impact created the biggest impact crater seen in recorded history

Question 2

When atom A loses an electron to atom B,
 
  A) atom A becomes more negative than atom B.
  B) atom A acquires more neutrons than atom B.
  C) atom A acquires less neutrons than atom B.
  D) atom A becomes a positive ion and atom B becomes a negative ion.
  E) atom A becomes a negative ion and atom B becomes a positive ion.

[Anton]

Answer to Question 1

A

Answer to Question 2

D

[bio_gurl]

Gracias!

[okolip]

Excellent