What is the main problem associated with metal refining? • It is extremely dangerous.
It uses up a great
deal of energy.
It does not produce very much refined metal.
It generates a great deal of waste.

Duchenne muscular dystrophy is a serious condition caused by a recessive allele of a gene on the human x chromosome. the patients have muscles that weaken over time because they have absent or decreased dystrophin, a muscle protein. they rarely live past their twenties. how likely is it for a woman to have this condition? a) women can never have this condition. b) one-fourth of the daughters of an affected man would have this condition. c) one-half of the daughters of an affected father and a carrier mother could have this condition. d) only if a woman is xxx could she have this condition.

Me with biology endocrine system crossword also image left i need with hw

Explain why biological control methods are generally environmentally superior to chemical pest control methods.