Section B: Structured Questions (20 Marks) 1. Give a reason for each of the following safety rules in the science laboratory.
(a) Do not eat or drink in the science laboratory.
(b) Do not point the mouth of the test tube towards a person when you are heating a corrosive
liquid.
c) Read all the labels carefully before using any chemical.

Please help​

Recommend a strategy for incorporating sustainable human activity into a tropical rain forest biome.

When a gasoline engine burns gasoline, what type of chemical reaction is occurring?

Cancer cells spread to other parts of the body by entering the bloodstream. which of the following organs could prevent a cancer cell in the bloodstream from spreading, and why? a. the spleen, because it releases lymphocytes into the blood b. the peyer's patches, because they release lymphocytes into the blood c. the lymph nodes, because they release lymph into the blood d. the thymus, because it releases lymph into the blood