Questions by Mubeen Khan

Questions by Mubeen Khan

Potassium-40 has a half-life of 1.25 billion years (by) and decays to argon-40. how old is a fossil that has a 40k/40ar ratio of ~ 26%?

asked Apr 19, 2018

1 answer

4 votes

13.8k views

Can Someone help me with this problem?

asked Apr 10, 2018

1 answer

3 votes

188k views

in stalin's option, why did the USSR decide to go to war with germany? A. Because war was forced upon them by Hitler B. because the USSR wanted to acquire German land to expand their territory C. Because

asked Mar 6, 2018

1 answer

4 votes

208k views

Given the equation 5x + y = 7, which equation below would cause a consistent-independent system? a. 10x + 2y = 14 b. -15x - 3y = -6 c. 5x + y = -7 d. 6x + 2y = 7

asked Dec 11, 2017

2 answers

2 votes

67.9k views

Which choice best completes the sentence below? Do we have room for both ______ and Jenna's guitars? Lacis' Lacis Laci Laci's

asked May 17, 2017

2 answers

2 votes

24.6k views

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