Which Plants have an organ called a Holdfast ?

Question

What genus of flowering plants, native to an area from Brazil to Peru to southern Argentina discovered in 1768 by French botanist Philibert Commerçon, is a thorny, woody vine reaching from 1 to 12 metres tall by growing over other plants with hooked thorns tipped with a black, waxy substance?

Answer 1

Aeroplanes fly in the stratospheric layer of the atmosphere

The stratosphere extends to approximately 50 kilometers or 31 miles above the Earth’s surface. The troposphere, the lowest layer of Earth’s atmosphere, is where almost all weather occurs.