Our understanding of dna and gene expression has dramatically increased over the last 50 years. describe 2 positive impacts and 2 negative impacts that the feild of biotechnology and genetic engineering has had in agricultur, medicine, and human health?

i think the answer would d

i believe it would cause an increase of percipitation, though i could be wrong. so i would say b is the answer.

you didn't give any options but heres what i can tell you: an inference is likely to change based on additional observations. the latter is something that you have seen or sensed using your sensory organs while the former is like a conclusion out from what you have observed.