Smoking and lung cancer is it a correlation or causal

How is the national wildlife refuge system similar to the pacific region coastal program? a. both programs are concerned with providing habitats for wildlife b. both programs are primarily concerned with preserving fish species c. both programs have set aside 150 million acres of land d. both programs are under the u.s. fish and wildlife service

Idon’t understand this can someone give me the answer? you

Amoeba proteus is injected with a drug that inhibits the formation of microtubules. what effect does this have on the organism’s movement?