Match the scenario with the type of weathering in action. mechanical weathering
chemical weathering
biological weathering
The root of a huge tree causes cracks in a rocky surface.
Part of a cliff breaks and falls due to waves.
Acid rain reacts with calcite present in limestone.

image result for describe the various types of gene mutationsghr.nlm.nih.gov

the types of mutations include: missense mutation: this type of mutation is a change in one dna base pair that results in the substitution of one amino acid for another in the protein made by a gene. nonsense mutation: a nonsense mutation is also a change in one dna base pair.

explanation:

b. to discover aspects of the natural world.

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answer; /// the shaft of the hair consists of dead cells;