yes
Yes; plants do need warmth to grow. The warmer it is, the more nutrients a plant can gather.
they grow buy having sunlight, warmth, air and water
Plants cannot grow without water. All plants require some moisture, it varies with type.
The presant Antarctica would be to cold for plants to grow. Coal, which is plants compressed over million of years under heat and pressure could not be created without having plants (grow in warmth), and coal could not form without heat compressing it.
yes some plants grow from bulbs
The 3 conditions are air, water and warmth.
Desert plants
A greenhouse is a specially constructed place to trap warmth and maintain humidity. This place is generally constructed outdoors where sunlight can be trapped and warmth be created to help plants grow and seeds convert into plants. Greenhouses are warm in the harshest of winter.
sunlight because plants can`t grow without sunlight
Warmth and protection from strong winds, regular watering and fertiliser/compost.
yes
weeds