Questions by Alex Leibowitz

Questions by Alex Leibowitz

What do your muscles need during exercise that blood brings? What waste product (produced during aerobic respiration) does the blood carry away?

asked Jul 10, 2018

1 answer

2 votes

187k views

is the following sentence true or false? Herbaceous stems are hard and rigid and have an outer layer called bark

asked Jun 19, 2018

1 answer

2 votes

36.9k views

Some scientists theorize that climate changes can be caused by _____. 1. an increase in Earth’s interior heat 2. variations in the color of light coming from the sun 3. a change in the angle of the Earth’s

asked Mar 14, 2018

1 answer

4 votes

25.9k views

A wall can be built by 6 men working 8 hours per day in 5 days. How many days will it take 4 men to build the same wall if they worked only 5 hours per day??

asked Oct 18, 2017

1 answer

1 vote

123k views

Choose the correct pronoun in parentheses. Some take an unusual approach; for (him, them), a time capsule is the answer.

asked Dec 13, 2016

1 answer

2 votes

151k views

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