Which of these statements best explains why the rainfall in volcanic regions increases after a volcanic eruption? a)the volcano releases particles which form water droplets. b)the volcano releases heat causing clouds to form. c)the molten lava from the volcano form water droplets. d)the increase in fertility of soil around the volcano produce rain.

The volcano releases particles which help form water droplets 

I think the answer would be b 

the glands which are associated with each description is given below:

pancreas - is an endocrine and exocrine gland that secretes juices with enzymes for digestion. salivary glands- with protection and digestion in the mouth. liver- secretes bile for digestion.   lachrymal glands - secrete tears to moisten eyes and protect them from particles and infection.   sweat gland -regulates water, salt, and temperature. oil glands - to form a protective barrier on the skin.   goblet cells - secrete mucus for protection.

Atissue is a group of connected cells that have a similar function within an organism.