Technology can have positive and negative effects. what is one negative effect of spraying a chemical pesticide on crops? a. it kills all insect pests. b. it increases food production. c. it lowers the cost of food. d. it can make farmworkers sick.

Will mark brainliest if correct/available! which of the following statements is true? all plants need flowers to sexually reproduce. sexually reproduced offspring are identical to their parents. fertilization always occurs inside the female's body. a body cell has twice the number of chromosomes as an egg cell.

How is ribosomal rna useful as a molecular clock? a. a large portion of the dna ring is not vital to structure or function, allowing it to accumulate neutral mutations. b. its rate of mutation increases over time as organisms continue to evolve and differentiate from each other. c. a slow mutation rate makes it useful for determining evolutionary relationships between ancient species. d. it is only found in select organisms, making it easier to compare relationships between species that have it.

To sciences do not agree on which type of grocery bag is better for the environment what is most likely to come out come out of the disagreement