Most Did Not Have Natural cover to protect them.
What are physical properties of leaves changing colors
physical
It is a physical process.
leaves it out in the big bad world unprotected you know
Yes, raking leaves is a good example of a physical activity, because your boby is moving.
PHYSICAL
Physical
grass is a physical change.
Chemical
sea turtle. they bury their eggs and leave them. once the eggs hatch they are left to fend for themselves.
Ulcers
Interception is when tree's/leaves/greenery ect. stop the water from reaching the ground!