A satellite is sent into orbit around the Earth, In which of the following situation would the gravitational force be the greatest?

Group of answer choices

A 850 lb satellite orbiting 150 miles above Earth’s surface

B 850 lb satellite orbiting 1500 miles above Earth’s surface

C 1200 lb satellite orbiting 150 miles above Earth’s surface

D 1200 lb satellite orbiting 1500 miles above Earth’s surface

PLEASE ANSWER ASAP I NEED AN A

I’m doing some practice exam questions for biology, and i’m not sure how to do these 3 parts to the question.

Embryonic stem cells are cells derived from an embryo. these cells can be used to create new tissues for patients suffering from certain illnesses and disorders. which statement best summarizes why the use of embryonic stem cells could be seen as unethical? a. some people consider embryos to possess rights equal to those of fully developed human beings. b. extracting stem cells from embryos is a very energy-intensive process, which consumes resources that could be used elsewhere. c. embryos are difficult to obtain, so the monetary cost of using them for research outweighs their benefit. d. the process of extracting stem cells from embryos generates biohazardous waste that cannot be safely disposed of.

Technology can bring both good and bad things. pesticides can make crops more resistant to insects (good) but can harm humans if they are used improperly (bad). give examples of both the good and bad