PLEASE HELP ANSWER FAST WILL MARK BRAINLIEST AND GIVE 20 POINTS Susana heats up a sample of red crystals. While the sample is being heated, a gas is released, and a blue powder is left after the heating. Is the sample of red crystals an element or a compound? Explain your answer

As scientist had investigated evolution from a variety fields they have found

Modern computers can store about as much information as the human brain. true false its false i took the test

Abiology teacher asks students to give examples of genetic variations that support the idea that changes in a population’s environment affect genetic variation. which is the least supportive example? a. changes in genetics in human populationsb. antibiotic resistance in bacteria populationsc. pesticide resistance in garden insectsd. changes in the color of the peppered moth population in england