Questions by Dorit

Questions by Dorit

8. Three grams of Bismuth-218 decay to 0.375 grams in one hour. What is the half- life of this isotope?

asked Jan 28, 2020

1 answer

2 votes

47.8k views

I need help with this

asked Nov 23, 2019

1 answer

0 votes

95.3k views

What years did Alexander the Great rule from? Can someone please help me I’m really stuck !

asked Aug 21, 2019

1 answer

5 votes

158k views

Explain how drooping of leaves on a hot sunny day is advantageous to a plant

asked Aug 6, 2019

1 answer

1 vote

192k views

Tessa walks her dog for 47 minutes .jeremiah walks his dog for 30 minutes .How many more minutes does Tessa walk her dog than jeremiah?

asked Jul 22, 2019

2 answers

4 votes

143k views

Does the majority of the dry body mass derive from the soil or air

asked May 25, 2018

2 answers

1 vote

211k views

Kaylee has two fraction models, each divided into equal sized sections. The models are shaded to represent a fraction. Model A is divided into 8 sections, and 5 sections are shaded. Model B is divided

asked Apr 3, 2018

2 answers

0 votes

101k views

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