Answer:
(a) Mean yearly temperature = 10.58
(b) 
Explanation:
Given:
The attached chart
Solving (a): The mean yearly temperature.
This is calculated as:




Solving (b): The mean July temperature.
From the chart:

The correct answer is - d. deciduous forest.
The giant panda lives in the deciduous forested parts of China were the climate is temperate, wet, moisty, and most importantly covered in bamboo trees. The bamboo tree is the only food source of the giant pandas, and it is essential for their survival. Unlike the other bears the giant panda is not an omnivore, and in its evolution due to a genetic mutation it lost its taste for meat and became exclusively a bamboo eater. It is on the verge of extinction nowadays and strict measures are needed for this lovely animal to be protected and preserved.
The sub-region of Africa that is home to the Kalahari Desert is the south. The desert is approximately 900,000 square kilometers. It covers parts of Botswana, Namibia, and South Africa. The correct answer is C.