Smoking _ marijuana joints per week for 3-6 months carriers the same risk for developing lung cancer as smoking a pack of cigarettes a day for 20-30 years A. 4
B. 5
C. 3
D. 2

Why do you think the puppy litter was all dark-haired?

Hey me with this one❤☺❤ how do you say that a cell also has a life span and death like an organism? give one example.

Prior knowledge can be gained from personal experience and a) forming well-developed hypotheses. b) listening to opinions of other people on a topic. c) researching previous experiments and results on a topic. eliminate d) no other methods. it can only be gained by personal experience.