At one time, many scientists and philosophers believed earth was the center of the universe and all other planets and the sun revolved around it. to the invention of the new data was collected disprove this idea.
a) telescope
eliminate
b) microscope
c) stethoscope
d) oscilloscope

Amoeba sisters video recap pedigrees

We all have different forms of genes from our parent(s).what are these different forms called? a. alleles b. characters c. dna d. resources

Agenetically engineered corn plant is approved for agricultural use. the plant produces pollen that can make its own toxins. these toxins protect the corn plant against pests and no longer require the application of chemical pesticide. what is a likely impact on the farmer of growing such a variety of corn? a- the financial costs for the farmer would be lowered since less crops would be lost to pests. b-the financial costs for the farmer would be lowered since more crops would be lost to pests. c-the farmer may be held responsible for increasing chemical pollution. d-the farmer's expenses for pest control would increase due to an increase in bee population.