The answer B I hope this help you
The frontal lobe of the brain is not essential for driving a motor vehicle. The only time that the frontal lobe would be activated during driving would be when there is potential danger, for example a car swerving in front of you. The dorsal lateral prefrontal cortex is more essential for driving, as it is involved in judgment and decision making.
The black widow spider is an invertebrate. Its skeleton system hangs outside its body. The only difference between a vertebrate and invertebrate is the presence of backbone or a similar kind of structure with in the body. In case of black widow spider, the internal structural element is missing. Its skeleton system can be classified as exoskeleton.
D; Radiation is the emission of energy through rays and waves, it doesn't have to do with heat transfer and vapor.
Answer:
Carbondioxode is present in the atmosphere which is used by plants during the process of photosynthesis. From this process, plants make their food by using carbondioxode from the air for making glucose. The carbondioxide is released in the atmosphere by the animals during respiration process and the carbon concentration is stable.
Increase occurs in carbondioxide concentration due to human activities such as use of fuels in vehicles and industries.