True or false: polymers that are stretchy and return to their original state are called Elastomers

What are four key elements of the study of economics?

The probability of producing a normal child by two parents who are carriers for an autosomal recessive disorder is

Imagine that certain laws of physics could be ignored and you were able to travel vast distances in moments. now imagine that you traveled to an earth-like planet located light-years away that is known to support life. think about what you’ve learned in this unit and make an argument for what you think would be the dominant type of life form on this planet. consider whether a notochord is required for an organism to manipulate its environment and become a dominant creature.