A20% acid solution is mixed with a 70% acid solution to get 50 liters of a 40% solution. which of the following expressions is equal to 4(50)?
a.) 0.2x + 0.7y
b.) 2x + 7y
c.) x + y

Granite rock is light in color. which feature directly contributes to this color? the process that forms granite the amount of silica minerals in granite the shape of the grains found in granite the unique pattern formed by grains in granite

Cell specialization occurs by the process ofa. reproductionb. differentiationc. maturationd. growth

Which statement describes an endocrine function rather than an exocrine function? a. salivary glands release saliva into the mouth. b. sweat glands release sweat onto the skin c. the pineal gland releases melatonin into the blood. d. esophageal glands release mucus into the esophagus.