What comprises two-thirds of botswana's land?
a. the mitumba mountains
b. the okavango delta
c. the kalahari desert
d. victoria falls

C. The Kalahari Desert

Explanation:

Botswana is a country located in the southern parts of Africa . The country is a landlocked region as they lack access to the oceans. Botswana shares boundaries with Namibia, South Africa , Zambia and Zimbabwe.  

The Kalahari desert is a desert located in the southern part of Africa and the landscape covers three countries namely Namibia,Botswana and south Africa.

The Kalahari desert  occupies roughly 70 percents of Botswana's land mass . In other words it occupies two-third of  the Botswana's land . The Kalahari desert is a semi arid desert with limited amount of rainfall.

The picture above shows you how Kalahari deserts looks like.  

temperatures get warmer — and heatwaves are more common. nothing says summer like warm weather. this rise in temperatures is caused by the tilt of the earth's axis. our planet doesn't sit perfectly straight as it spins — it has a slight lean of approximately 23.5 degrees with respect to the sun, called the axial tilt.

explanation: