Which one of the following choices is an effective way to pervent low-back pain
a. eliminate warm-up before exercise
b. lift objects by putting weight on your upper back
c. maintain correct posture
do. limit the amount of exercise you do per week

c because the news are a source of information of things that happen on the daily and shows evidence about that particular topic

myth. it was once thought that animals, including cats and dogs, could only see in black and white. however, scientists have proven this to be a myth. in all animals, including humans, the perception of colour is determined by the presence of cells in the eye called cone photoreceptors.

the answer to this is proletariats.

hope this : )