Questions by Matthijs Hollemans

Questions by Matthijs Hollemans

A crustacean that remains in one place and produces a hard volcano-shaped structure for protection is called a

asked Feb 7, 2018

1 answer

4 votes

179k views

1.Which of the following are considered pure substances heterogeneous mixtures homogenous mixtures elements only elements and compounds 2. Ionic compounds are often formed when a metal atom bonds with

asked Feb 5, 2018

1 answer

0 votes

147k views

A soft drink company is marketing a new energy drink with the claim that 100 ml yields 1.7 kj. the can contains 375 ml. stephanie drinks the entire can and then wants to test the claim made by the company

asked Jan 12, 2018

1 answer

4 votes

166k views

Traditional classifications tended to take into account primarily_____. a) extinct organisms b) RNA similarities c) DNA similarities d) generals similarities in appearance

asked Dec 12, 2017

1 answer

2 votes

174k views

A lab technician is trying to determine how a certain chemical affects a group of cells. When the chemical is added to the cells, the cells are unable to break down sugar and they die of starvation. What

asked Feb 12, 2017

1 answer

4 votes

162k views

When was tin discovered tin is an element please help 75 pts

asked Jan 9, 2017

1 answer

4 votes

209k views

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