Which drug is also called crack and can cause an overdose that may result in seizures or heart or respiratory failure, even when used in small amounts?

Which term defines male reproductive cellar

When trimming plants and vines: a. burn all the poisonous plants b. touch poison oak and poison sumac with your bare hands c. wear gloves d. cut as quickly as possible

True or false a fertilized cell divides many times to form an embryo