Potassium is just below the sodium in periodic table in s group !
so the valence electron of sodium and potassium is same and that is 1 !
<u>Answer</u>: Formation of a fossil.
<u>Explanation</u>:
- The fossils are formed when an organism dies and gets preserved due to some conditions.
- Since all living organisms contain a certain amount of carbon in their body when they die and, their fossil is formed the carbon present in the living organisms gets stored in the fossil as well.
- An example is the carbon film fossil which is formed due to the carbon residues left behind of soft-bodied organisms after they die.
Answer:
The use of left arm is more compared to right hand
Explanation:
In the given question, the anthropologist when examines the left and right arm he found that the left arm is thicker than the right arm.
The more thickness of the left arm signifies that the person uses his left arm for the muscular work as the more use of hand increases the deposition of the calcium phosphate and sulfate in bones along with other material which increases the thickness for the bones and increases the strength.
Thus, The use of the left arm is more compared to the right hand is correct.
Answer:
The Broca area
Explanation:
The Broca area is the part of the brain around the inferior frontal gyrus containing the neurons which is used for speech function. This part was named after Pierre Paul Broca who discovered that that part of the brain was connected to human speech function during a study of two patients who had injury in that part of the brain.
Answer:
tardigrade
Explanation:
"The microscopic tardigrade—also known as the water bear—is the only animal that can survive the cold, irradiated vacuum of outer space. We talked to leading tardigrade researchers to find out what makes these little guys so amazing."