Which of the following is a true statement about ozone?

a. It's helpful when it's located in the upper atmosphere, but harmful when people breathe it

b. It's harmful when it's located in the upper atmosphere, but helpful when people breathe it

c. It's always helpful

d. It's always harmful

"do a testcross with a homozygous recessive plant."

question: which statement best describes the different properties of metals?

answer: they are shiny and bend without breaking.

since metals have certain characteristics properties, they include the following: they are ductile, malleable, shiny, hard, lustrous, flexible and they are good conductor of heat and electricity. so therefore, metals are not dull and they are not non-flexible as listed. instead, they are shiny and flexible.

hope this , have a good day. c;