Quick Answer. Plants can survive without sunlight as long as they have another source of light in the appropriate spectrum, such as an artificial grow light. Plants can only survive in complete darkness for a finite period of time.
The population of Kenya will be increased by 3 132 persons daily in 2015. During 2015 Kenya population is estimated to be increased by 1 143 013 people and reach 47 588 092 in the beginning of 2016. The natural increase is expected to be positive, as the number of births will exceed the number of deaths by 1 143 013.
Image copyright. The United Nations estimates that Africa's population will double to 2.5 billion by 2050. About 400 million of these people will live in Nigeria alone. Four experts tell the BBC World Service Inquiry programme how this population boom will change Africa.