Frontal lobes because it involves voluntary behavior such as decision making, planning, problem-solving, and thinking.
Answer : Photosynthesis is an example of a chemical reaction.
Explanation :
Photosynthesis : It is a type of chemical process which takes place in the plant cell. In photosynthesis process, the light energy converted into the chemical energy.
As plant needs carbon dioxide, water and light. During the photosynthesis, carbon dioxide, water and sunlight react to gives glucose, oxygen and water as a product.
The balanced reaction of photosynthesis will be,

Hence, photosynthesis is an example of a chemical reaction.
Answer:
Dwarf planets lack the gravitational forces needed to pull in and accumulate all of the material found in their orbits.
That would be active transport
I totally agree with this one: c:John Roebling—Telephone switchboard. His work is connected with bridges.