Which are causes of mechanical weathering? Select three options. O acid rain
plant growth
O animal actions
O carbon dioxide
pressure release

amimal actions

Explanation:

the other ones are chemical weathering

i just did something on this guy a few days a go give me two minutes to find it in my notes.

ww1 weapons: tank. tanks were used for the first time in the first world war at the battle of the somme. they were developed to cope with the conditions on the western front. the first tank was called 'little willie' and needed a crew of 3.