Which system provides humans with the ability to perceive, understand and react to environmental events?

21 stacks

step-by-step explanation:

divide 630/30

21 stacks

enjoy!

a chair, a bed, and a toothbrush

explanation:

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;

c is the answer to this question. altitude affects the weather because air molecules evaporate.