Answer:
A to protect them from the sun but still allow air to flow near their skin.
Explanation:
I think
Since it has 4 protons, it must have an atomic number of 4. (That makes it beryllium.)
Since it has a 4 protons and 5 neutrons, it has a mass number of 9.
Answer:
main answer
<u>Using the scientific method</u>
normal answer
<u>1. We used a formal method of study to figure out which kind of grocery bag had the least effect on the environment.</u>
Explanation:
What is the student describing?
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Answer:
Option D, polysaccharides
Explanation:
Both Cellulose and starch are polysaccharides which are made up of several polymer units.
A polysaccharide is a sugar which is made up of large number of mono or disaccharide sugar units.
In case of Cellulose, the polymer unit is monosaccharide units of glucose connected by acetal beta linkages
While in case of starch, the polymer unit is again glucose units joined by glycosidic bonds.
Hence, option D
For proteins, the monomers are amino acids. I hope this helps! :)
