1 Which example provides evidence for how the digestive system interacts with other body systems? (A) The liver helps broak down unwanted chomloals in the body. (B) Food passes down the throat to the esophagus. (C) The circulatory system transports the digested molecules throughout the body. (D) Mechanical digestion and chemical digestion work together to break down the food.

What can be said about farmers in highly developed countries? a) they have little or no negative impact on the environment. b) they practice subsistence agriculture. c) they are able to incorporate polyculture into their farming practices. d) they utilize organic farming techniques on a regular basis. e) they rely on large amounts of energy from fossil fuels.

What is the best conclusion based on this data? the hypothesis was not supported because the data indicated that fertilizing plants does not improve plant growth. the hypothesis was supported; to get the best growth, use 5 milliliters of fertilizer per plant. the hypothesis was not supported; the data indicated that too much fertilizer can inhibit plant growth. the hypothesis was supported; to get the best growth, use 15 milliliters of fertilizer per plant.

2polnis which of the following is an advantage of an in vitro experiment?me