Answer;
A. the Sun's rays are nearly perpendicular to Earth's surface.
Explanation;
-Tropical region receives more solar radiation not only because the Sun’s rays hit the region more directly, but also because they travel through less of the atmosphere to get there.
-Some radiation is absorbed as it travels through the atmosphere, so less energy is lost in tropical regions.
Answer:
In the animals control and co-ordination is done by the nervous system and endocrine system whereas in animals nervous system is adequately developed and consists of brain, spinal cord and nerves; in animals hormones are secreted by endocrine glands.
Explanation:
