The Chinese contributed which of the following to medieval marine science?

A. the compass

B. improved sails

C. motorized engines

D. the first maps of the Atlantic

its A

In fruit flies, eye color is a sex linked trait. Red (R) is dominant to white (r) eyes. In a cross between a white eyed female and a red eyed male, what is the percentage of male offsprings having white eyes?

How and where viruses reproduce and the function of RNA and DNA in this process.

What are some of the challenges to treating exotic animals

What is recombination

Is the liquid in the beaker classified as a solution

Digestion includes breaking substances into their simpler building blocks, synthesizing more complex cellular structures from simpler substances, and using nutrients and oxygen to produce ATP. True/False

He urine-producing functional unit within the kidney is called the:

Which phase is the the phase where Chromosomes disperse and are no longer visible. prophase metaphase anaphase telophase

True or false Weeds are specific variety of plants that strip nutrients from the soil

Explain wether nitrogen atoms will form bonds with other atoms