Science Radioactive Dating
posted by Anonymous on .
Which of the following statements about radioactive dating is true?
a. Radioactive decay is the rate at which new atoms form.
b. During radioactive decay, atoms break down, releasing particles or energy.
c. The rate of decay of a radioactive element cannot be approximated.
d. The number of radioactive atoms in a sample will always remain constant.
B
Geologists use radioactive dating to:
a. determine the relative age of rock layers.
b. tell the difference between molds and casts.
c. tell where one soil horizon ends and the next one begins.
d. determine the absolute age of rocks.
D
If the halflife of a 20.0 g sample is known to be 24 minutes, how long will it take for only 5.0 grams of the sample to remain?
a. 6 minutes
b. 24 minutes
c. 48 minutes
d. 96 minutes
C

looks good to me.

Connections Academy?

1 B
2 D
3 D
4 C 
Emz answers are correct. I got a 5/5 100% A.

EMZ Is correct, I got 4/4.

1 B
2 D
3 D
4 C
100% 
1.B
2.D
3.D
4.C
4/4 (100%) 
This is wrong

nvm i wasn't

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Thank you so much Emz, because of you i got 100% ;) Love You!

100% love yalll! avery is wrong it is
a
b
b
d
trust me!100% i got 
B. D. D. C. All corect!! ;)

b d d c is right

BDDC IS RIGHT YALL

Bddc is 100% correct for connections grade 7b unit 3 lesson 3

B
D
D
C
1000% RIGHT 
B
D
D
C 
Yes, the correct answers are B,D,D,C. Please try this on your own next time though. You will learn much more!

B
D
D
C 
B
D
D
C
Trust me 100% 
B
D
D
C
Thanks jiskha fam 
Thanks y'all! I got 100% <3

yep its correct

B
D
D
C
is correct! Thanks!