What's a stalactite?

a. large mound of dirt created by erosion b. poisonous mass found in caves that is formed by polluted water c. dripstone produced by a buildup of minerals precipitated from groundwater d. mound-shaped stone shaped by weathering

Stalactite is a dripstone produced by a buildup of minerals precipitated from groundwater.

the correct answer is b. possesses the characteristic of compartmentalization of organelles, wherein the organelles are bound by membranes.

explanation:

one part of the electromagnetic spectrum that arrives on earth as solar radiation from the sun is the visible spectrum. wavelengths of the visible spectrum combine to form what we refer to as

answer - d) ultraviolet radiation.

violet /   380–450 nm / 668–789 thz

violet is number 1 in the chart of visible light.