Answer:
"Alfred Wegener suggested that continental drift occurred as continents cut through the ocean floor, in the same way as this icebreaker plows through sea ice. ... The supercontinent later broke apart and the continents having been moving into their current positions ever since. He called his hypothesis continental drift."
Answer:
Gas Exchange
Explanation:
It is diffusion that occurs in moist membranes
Fronds are basically the leaves of plants like ferns or palms. Hope this helps!!
