Answer:
A. Student A because it requires a hypothesis
Answer:
Starch: Carbohydrate
Polysaccharide: Carbohydrate
Cholesterol: Lipid
Phospholipid: Lipid
Glycerol: Lipid
Glycogen: Carbohydrate
Monosaccharide: Carbohydrate
Nucleotide: Nucleic Acid
Cellulose: Carbohydrate
RNA: Nucleic Acid
Amino Acid: Protein
Polypeptide chain: Protein
Enzyme: Protein
Glucose: Carbohydrate
Saturated Fat: Lipid
Unsaturated Fatty Acid: Lipid
DNA: Nucleic Acid
<em>(I am unsure for</em><em> </em><em>Polypeptide chain</em>, <em>Saturated Fat, and Unsaturated Fatty Acid)</em>
<em />
<u><em>Hope this helps!</em></u>
<em>If you don't mind, please mark brainlisit!</em>
<em>-Isa</em>
Oxygen-16 and Carbon-12 are stableisotopes of elements O and C respectively. Hence, they do not have half-lives. But Carbon-14 andUranium-238 are radioactive isotopes. Among them Carbon-14 has relatively short half-life as about 5730 years while Uranium-238 has a long half-life as about 4.5 billion years.
Answer is. uranium-238
1. They play dead when faced by a predator.
2. They travel in schools of about 12.
3. Males establish their dominance by having sword fights with their spines and showing off their bright colors.