Questions by Derek Park

Questions by Derek Park

Why is the warm air rising while the cold air is sinking

asked Nov 8, 2018

2 answers

3 votes

112k views

On Aristotle's scala naturae, humans were:

asked Apr 26, 2018

1 answer

0 votes

66.8k views

A pizzeria baked 12 pizza pies in 3 hours. At this rate, how many pizza pies can they bake in 7 hours?

asked Mar 25, 2018

2 answers

4 votes

153k views

David rowed a boat upstream for three miles and then returned to point he started from. The entire journey took four hours. The speed of the stream is one mile per hour. Find David's speed in still water.

asked Dec 18, 2017

1 answer

2 votes

1.2k views

The hydrogen atom has one _____ and one _____. 1.proton 2.neutron 3.electron 4.ion Thank you <3

asked Sep 27, 2017

2 answers

3 votes

81.8k views

Whats the conjecture that describes the pattern of 0,2,4,6,8

asked Apr 4, 2017

1 answer

2 votes

117k views

List three major differences between the living room of the 1930s and the living room of the 1970s.

asked Jul 14, 2016

2 answers

2 votes

214k views

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