What did Charles Darwin study? a. genetic mutations b. microevolution c. variation in characteristics d. population genetics

chemical because it warmed up which involves temperature and it bubbled which includes changing

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a

explanation:

many plants naturally reproduce this way, but it can also be induced artificially. horticulturalists have developed asexual propagation techniques that use vegetative plant parts to replicate plants. success rates and difficulty of propagation vary greatly. monocotyledons typically lack a vascular cambium and therefore are harder to propagate.