I couldn't find a subject for science class but I am in a qui and I need help in this question: Use an example to explain how natural selection can lead to evolution.

I didn't pay attention to that class.

Drastic boundary changes can occur for all of the following reasons except for a. a shift in the way a river flows b. the collapse of a government system c. a conflict between two neighboring groups d. one country's decision to sell land to another country select the best answer from the choices provide

Maria is going to a hiking trip this weekend. she has been busy shopping for the trip. which of these items that she bought are a want for her?

Countries in this region are trying to achieve development. a. attainable c. sustainable b. suspendable d. intangible