For which of these questions could a testable hypothesis be developed? Check all that apply. Does a flu shot hurt worse than a pneumonia shot?
Will breeding a red rose with a white rose make a pink rose?
Are pecans better tasting than walnuts?
Will practice help improve your reaction time?
Whose pulse rate increases more after running up and down a flight of stairs, that of an adult or child?

Which of the following is a difference between a food chain and a food web? selected: a. food webs contain both plants and animals. food chains only contain animals.this answer is incorrect. b. food webs show energy transfer. food chains show which animal eats which animal. c. food webs separate organisms by tropic level. food chains do not. d. food webs are a complex patterns of energy flow. food chains only show one line of energy flow.

What is true of sea slugs in these orders

The same agricultural practices are used in every country of the world. select the best answer from the choices provided t f