Which is the best dated evidence that humans have been on earth for over four million years? a. a fossil nicknamed lucy was found in east africa. b. a specimen nicknamed ardi was found in east africa. c. artifacts from the stone age were discovered in east africa. d. evidence from the last ice age was found in east africa.

B)

Explanation:

Which is the best dated evidence that humans have been on Earth for over four million years?

A fossil nicknamed Lucy was found in East Africa.

A specimen nicknamed Ardi was found in East Africa.

Artifacts from the Stone Age were discovered in East Africa.

Evidence from the last Ice Age was found in East Africa.

salt is a type of solid, which means that it will when placed in water.

  a.  

soluble, float

  b.  

soluble, dissolve

  c.  

insoluble, settle

  d.  

insoluble, dissolve