What is an urban heat island?

Which of these natural resources is used for making rubber? A. sulfur B. copper C. titanium D. aluminum

What system of memory has the largest span and longest duration?

A person with b antigen and a antibodies would have type a blood true or false

You discover a new life form, and study it under an electron microscope. You find that it has no organelles, a peptidoglycan cell wall, and fatty acids in its plasma membrane. You conclude that the new life form is in domain

T Object] A package of histones with DNA wrapped around them forms spherical structures called Normal human body cells contain how many chromosomes?

Explain how the positions of earth, moon and sun affect the tides

Each gene in a cell's DNA codes for a specific protein. True of False

What is the correct definition of a species? A. A population of creatures who all look the same B. A population of creatures who are all the same size C. A population whose members are all the same color D.

Which of the following hormones increases smooth muscle contraction?

It is important to share data from scientific experiments with others. Which of the following methods is a valid way to present collected data?