Questions by Hannes Petri

Questions by Hannes Petri

1/32nd of a radioactive element's atoms remain in a lunar rock sample. How many half lives old is the rock? A. 1 B. 2 C. 3 D. 4 E. 5

asked Jun 18, 2020

1 answer

2 votes

50.8k views

Terence V. Powderly, leader of the Knights of Labor, did not oppose strikes. a. True b. False

asked May 24, 2020

1 answer

1 vote

106k views

Which scenario would most likely result in the present using an executive order to enact a new policy ?

asked Mar 20, 2020

1 answer

5 votes

20.6k views

Semiconservative replication specifically means that A.) the new molecule has a parent strand and a new strand B.) a pyrimidine always pairs with a purine C.) nitrogenous bases are recycled D.) the molecule

asked Sep 16, 2019

2 answers

1 vote

19.3k views

The length of a rectangle is twice it’s width. The perimeter is 30. Find the dimension

asked May 2, 2019

1 answer

4 votes

147k views

Removing the taliban from power was a major goal of ___.

asked Apr 9, 2019

1 answer

5 votes

177k views

Federal law requires safety training before workers or students enter the work area. A) True B) False

asked Apr 6, 2019

2 answers

5 votes

205k views

Please help on this one

asked Feb 11, 2019

1 answer

4 votes

5.3k views

How do mobility barriers affect the structure of an industry?

asked Dec 19, 2018

1 answer

4 votes

61.0k views

List three different functional types of insect (a) legs, (b) wings, and (c) mouthparts and give an example of each.

asked Dec 4, 2018

2 answers

1 vote

202k views

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