Answer:
personally I think its c.
Explanation:
hope this helps.
Answer:
Food grown is source of food to both people and animals
Source of income to people
Answer:
Portugal is the leading producer of cork
Explanation:
Portugal makes up 52%
Spain makes up 32%
Italy makes up 6%
Answer:

Explanation:
Given

See attachment
Required
Find 
To do this, we make use of the following theorem
--- angle at the center and angle between two tangents add up to 180 (i.e. they are supplementary angles)
So, we have:

Collect like terms

