Answer:
There would be a color change
Explanation:
Biuret solution is used to identify the presence of protein. Biuret reagent is a blue solution that, when it reacts with protein, will change color to pink-purple.
Since one of the solutions does not contain protein, the blue color of the Biuret reagent will not change.
Answer:
S. typhi shares a parasitic relationship with humans
Lactobacillus shares a mutual relationship with humans
Explanation:
S typhi causes infections, which is negative. It feeds off the body but produces no benefit, it harms. Therefore it is a parasite.
Lacto bacteria feed off of food, which benefits itself, but on the other hand aides in digestion and does not harm the human. Both sides are benefited. So the relationship is mutual. No harm done, both prosper.
The main cause of acid rain is A. Burning of Fossil Fuels
Hope that helps u!
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Answer:
<h3>Chemical reactions occur when chemical bonds between atoms are formed or broken. The substances that go into a chemical reaction are called the reactants, and the substances produced at the end of the reaction are known as the products.</h3>