When faced with a complex engineering problem, the best strategy usually involves

A - Breaking the problem down into smaller problems and solving them individually.

B - coming up with a set of very general design criteria to guide development of a solution

C - working on the part of the problem that can be solved in the shortest amount of time.

D - focusing on solving one part of the problem and working on the rest as time permits.

Ivan is looking at a cross section of a stem taken from a vascular plant. he sees two different types of vascular tissue: the xylem, which is closer to the center of the stem, and the phloem, located around the xylem, closer to the outside of the stem. how do these two structures work together in a living plant?

Which fossil organism in whale evolution do you think was the first to live mostly in water? explain your claim with evidence and reasoning?

6. carly removed her watch and other jewelry, rolled up her sleeves, and properly washed her hands. which is the next step she should do to don her personal protective equipment? remove the mask by untying the lower string, then the top strings pick up the mask by the upper ties, trying not to touch the part that covers the face let the clean gown unfold by holding it directly in front of her pull the gown away from her shoulders, trying not to touch the inside of the gown