The correct answer is letter C
Explanation: Population Explosion the high population growth in the world or a specific territory or region. It can be caused by different reasons, varying according to the historical period and the different locations.
27.false
28.false
29.true
30.false
31.true
32.false
33.false
34.true
35.true
This was astrolabe; an instrument to predict the position of the stars, that could also be used to predict t one's position. The compass was invented in China.
Answer: option d
Explanation:they are also normally called noradrenaline.
They do help by constant regulating of the blood pressure and to increase the sugar (glucose) level content in the blood. It help majorly to lift up (increase) the rate as well as the force of the contraction of the heart and also in do lead to an increase in muscle contraction due to the fact that they are push out(realeased) from the sympathetic nerve fibre ends.
