PLEASE ANSWER ASAP WILL MARK BRAINLIEST!!! The periodic table

a.) is arranged by atomic mass

b.) was developed by early alchemists

c.) is arranged by number of protons

d.) is divided into vertical periods and horizontal groups

Which is not a characteristic of the animal kingdom? a. they include both vertebrates and invertebrates b. their skin is covered with hair or fur c. they are heterotrophs d. they are eukaryotic

Which statement about the pancreas is not true? a. it is an endocrine organ in the abdomen. b. it release chemicals into the digestive system. c. it releases insulin to increase glucose levels. d. it release hormones into the bloodstream.

What is the cause hearing loss in human being