Question

19 multiple answer 4 points
what are the types of biodiversity?
genetic
human
species
ecosystem
20 multiple choice 4 points
what is the hydrosphere?
the science of studying plants
the study of outer space
the study of water on the earths crust
the study of the earths atmosphere
21 multiple choice 4 points
what is the term for the waste material left behind after valuable minerals have been extracted from ore?
tailings
vein
overburden
placer

Explanation:

• Biodiversity types: Genetic diversity (variation in genes within species), species diversity (variety of species), and ecosystem diversity (different ecosystems). Human is not a type of biodiversity.
• Hydrosphere: It refers to water on Earth's crust. The study of plants is botany, outer space is astronomy, and Earth's atmosphere is part of the atmosphere - related study.
• Tailings: The waste material left after extracting valuable minerals from ore. A vein is a deposit of minerals, overburden is the material overlying an ore body, and placer is a deposit of sediment - hosted minerals.

Answer:

1. A. Genetic, C. Species, D. Ecosystem
2. C. The study of water on the Earth's crust
3. A. Tailings