Answer:
<em>Carbon </em><em>dioxide</em><em> </em><em>is </em><em>necessary</em><em> </em><em>for </em><em>photosynthesis</em><em> </em><em>because </em><em>plants </em><em>make </em><em>their</em><em> </em><em>food </em><em>only </em><em>in </em><em>the </em><em>presence</em><em> </em><em>of </em><em>carbon </em><em>dioxide</em><em> </em>
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The three sources of energy include,
Solar energy
Wind energy
Water and geothermal.
Energy is termed as the capacity of physical system to do work. It exists as kinetic or mechanical energy, light potential energy, electrical and heat.
Source of energy can be classified as renewable and non-renewable.
The renewable is derived from natural processes which replenished constantly, for example, solar energy, biomass, ocean, hydropower and wind.
The solar energy it is sustainable to mean that it does not run out but it is maintained reason being that sun shines every day.
A good advantage of solar is that it is natural and available in plenty, and non-pollution. Wind energy helps to turn the blades of windmills as it turns shaft to where they are attached.
Answer:
options B, E and F
Explanation:
A damage to the medulla oblongata is usually fatal and can also lead to death because it controls vital autonomic functions in the body which includes breathing and heart rate.
The Broca's area is associated with language production and damage to this area can lead to inability to express language (Broca’s aphasia).
A blow to the back of the head might affect the occipital lobe that is associated with visual co-ordinations. Thus damage to this area might not affect the gustatory cortex as this is found in the region of the frontal lobe and not the occipital lobe.
The primary motor cerebral cortex on the left side of the brain controls movement of the right side of the body, and vice-versa, the right motor cortex controls movement of the left side of the body.
Theres 2 covalent bonds in one water molecule and Plants use capillary action to bring water up the roots and stems to the rest of the plant.