Trusted by millions of Kenyans
Study resources on Kenyaplex

Get ready-made curriculum aligned revision materials

Exam papers, notes, holiday assignments and topical questions – all aligned to the Kenyan curriculum.

(a) State two reasons why the interior of the earth is still very hot. (b) Give the two layers of the earth’s crust

a) State two reasons why the interior of the earth is still very hot.
b) Give the two layers of the earth’s crust.

Answers


william
(a) State two reasons why the interior of the earth is still very hot. (2 marks)
-The overlying layers of rock exert a lot of pressure thus generating heat.
-During the formation the interior cooled very slowly and still retains the original heat.
-Radioactivity within the core due to nuclear fusion results in generation of heat.
(b) Give the two layers of the earth’s crust. (2 marks)
-Sial/continental.
-Sima/oceanic
steve williams answered the question on November 17, 2017 at 10:15

Answer Attachments

Exams With Marking Schemes

Related Questions