Why do people use polyester instead of a natural resource

If a tree falls in the middle of the woods can u here it fall

suppose you are desigining a device to transmit information wirelessly. what part of the em spectrum will your device broadcast in and why?

Which of the following is true about both fungi and plants? A. both have chlorophyll B. both have roots C. both have differentiated tissue types D both can produce their own food

How do you think vestigial structures came about?

What four types of macromolecules

Suppose you are an astronomer, and a child asks you to explain the organization and structure of the universe. In your own words, describe the matter found in the universe and the relationship between stars, galaxies, and planets

How do the lungs of spiders differ from human lungs?

How is wind created?

The interdependence of body systems is essential because A. very few processes are controlled by hormones. B. all systems work together to maintain homeostasis. C. each system doesn't rely on the others to work. D.

Does Insertion mutation alter protein function? Possible answers: It does, it won't, or it may or may not