Tropical rain forest
Explanation:
The best ecosystem that would give the biologist the best chance of finding new kinds of plants to use for her research is the tropical rain forest.
The tropical rain forest is found around the equatorial region of the world. It is usually wet, moist and sunny here. Due to the plethora amount of solar energy available here, life is diverse.
The biologist would need different plant species to find her desired antibiotics. Tropical rain forest will present the best biodiversity for the studies.
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Temperate and tropical forest brainly.com/question/10856870
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Cations are positively charged and have more protons than electrons.
Anion is negatively charged and have more electrons that protons.
Cations examples: Hydronium is H3O+, Silver is Ag+
Anion examples: Sulfate anion is SO42-
Hope this helps.
Equilibrium means D, all of the above
I believe the answer is B.