Answer:
I’m very confused
Explanation:
Could u take a pic of it?
False. Strontium 90 has a half life of only 30 years, and as millions of years pass, about the time fossils have been around, most if not all of any strontium would have decayed.
Answer:
The retrovirus known as human immunodeficiency virus (HIV) causes acquired immunodeficiency syndrome (AIDS) in humans.
Explanation:
The correct answer is salivary glands.
Salivary glands are exocrine glands which means that they release their product onto epithelial structure by the duct. There are three major types of salivary glands in h<span>umans: parotid, submandibular, and sublingual as well as hundreds of minor salivary glands. Beside the function of digestion (secrete the enzyme amylase, which hydrolyses starch into maltose and dextrin<span>) those glands have a protective role </span></span>
