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There are 30 kg of potatoes in a wheelbarrow. A farmer adds some carrots into the wheelbarrow. The total weight of the wheelbarrow now is 110 pounds. What weight of carrots did the farmer put into the wheelbarrow? 1 kg = 2.2 pounds

First of all, you want to get all your data in the same units, so either in pounds or kg. Here, as you are told that 1kg = 2.2 pounds, it seems easier to convert the amount of potatoes from 30kg into pounds,...
AG
Answered by Alejandro G. • Maths tutor
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Describe the structures of proteins

Primary structure - a sequence of amino acids in a polypeptide chain. They are joined together by peptide bonds. The sequence of amino acids determines the rest of the proteins structures. Secondary structur...
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Answered by Phoebe M. • Biology tutor
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Questions: Sickle-cell anaemia is an inherited condition caued by a dominant allele. Sickle cell anaemia is a disorder of the blood caused by an inherited abnormal haemoglobin the abnormal haemoglobin causes...
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Answered by Mark S. • Biology tutor
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Why do we use a warm up before doing exercise?

To raise the resting heart rate and increase muscle temperture. To increase muscle elasticity to prevent the risk of injury. To provide focus for the upcoming sport or exercise bout.
OM
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Which are the forms of heat you know. Explain them briefly including an example

The most common ways to transfer heat are conduction and convection. Conduction is heat transfer through mollecular collision. The slower speed particles, or colder particles will increase their kinetic ener...
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Answered by Joao A. • Physics tutor
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