Pls help this is an assignment!! What is the length of a human cheek cell under the 100x objective lens of a microscope (aka 1000x magnification)?

Will mark brainliest!!

The seed coat's most important function is to provide a) a nonstressful environment for the megasporangium. b) the means for dispersal. c) dormancy. d) a nutrient supply for the embryo. e) desiccation resistance.

As a small change in a person's dna can cause a genetic disorder

Explain why biological control methods are generally environmentally superior to chemical pest control methods.