If the ozone layer disappeared, life on earth would be exposed to concentrations of ultraviolet radiation.
a.
lower
c.
no change in
b.
higher
d.
none of the above

What phase of matter has particles that are held together but can flow past each other and takes the shape of a container, filling it from the bottom up?

Which ocean zone has the most abundant primary producer and why a) the abyssopelagic zone ,du to the absence of light and cold water temperatureb) the bathypelagic zone, due to the absence of light and cold water temperaturec) the mesopelagic zone ,due to uts high light availability and warm water temperature d) the epipelagic zone,due to its high light availability and warm water temperature

What does the symbol (–hfus) indicate in a phase change?