Asked by Princess Anna

Which of the following best describes the climates of Europe and North America during the 1.8 million years of the Quaternary period?

hot and dry
cool and rainy periods followed by droughts
warm and mild
a series of ice ages followed by periods when the glaciers melted


Which of the following statements about extinction is true?

Extinction can only be caused by human-induced activities.
Extinction can only be caused by natural activities.
Extinction can be caused by human-induced activities or natural activities.
Scientists do not know what causes extinction.

During radioactive decay, atoms of a radioactive element break down and change into other atoms of another element—all at once.
true
false

My answers:
1. D
2.C
3.True

Answers

Answered by Anonymous
1. YES(:
2.Great
3. no is true.
Great job tho XD
Answered by brianna Jackson
1. D
2. C
3.True
Answered by Peter dunwell
1. D
2. C
3. False
Answered by HelpME:(!!!
3. False
Answered by Cami
3 is false :p
Answered by Sebastian
Hot and dry climates
Answered by Kayla
Hot and dry climates
Answered by Trump2020
Mrs. Sue, WHERE ARE YOU
Answered by Sav Petrie
1: D
2: C
3: FALSE
Answered by Kotaro Tsuji
wut
Answered by kevin samuels
first off no of those answer are you low vaule kids the correct answer is A
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