A climber carries an oxygen cylinder on their back because it helps him/her to breathe easier. On high altitude mountains like Mount Everest the air is so thin it makes it very hard for anyone to breathe without extra oxygen from a cylinder.
Mountaineers carry oxygen cylinders when climbing mountains of extreme altitude like Mount Everest. This is because the higher you climb the less oxygen there is to breathe.
They carry the oxygen cylinders because they are needed to breathe. On a high mountain the air is so thin it is very hard to breathe so this oxygen is there lifeline.
Climbers carry oxygen cylinders on high mountains because there is less oxygen than there is at sea level.
you can go camping, hiking, swimming, biking, and rock climbing.
We went swimming, rock climbing and skating last Saturday. These are all activities that were done.
experts on swimming and climbing trees
Swimming and rock climbing.
there is climbing swimming hunting running jumping and fighting
They have feet for climbing, swimming, running, jumping, and standing on.
He had a passion for walking, climbing, swimming, and riding.
there is climbing swimming hunting running jumping and fighting
While being on the mountains there are tons of ways to have fun. Well the activities you could do while being there is simple: you could go river rafting, hiking, fishing, swimming, Ski doing ( when there's snow ), rock climbing, horse back riding, ski diving, and many more! =^.^=
running, rowing, bicycling, stair climbing, and swimming.
You went swimming, rock climbing, and skating last week. (The second comma is optional, I just prefer it. But if you only need one comma then you can leave it out.)
BECAUSE.... CENTIPEDE! swimming in the ocean CENTIPEDE! swimming in the sea CENTIPEDE! crawling through the forest CENTIPEDE! crawling through the wood CENTIPEDE! climbing up a mountain CENTIPEDE! climbing up a hill! oli you smell..... really bad