Answer:
A
Explanation:
The letter A is the correct answer
Answer: false
Explanation:
It is false that to study Earth's interior, geologists often rely on indirect methods, such as evidence from fossils. They rely on seismic wave.
A base and an Acid always react to form a salt and water
So, HCl + NaOH —> NaCl + HOH
Answer:B
Explanation:due to osmosis and osmoregulation of the cell membrane
If the difference in electronegativtiy for the atoms in a bond are greater than 0.4,we consider the bond polar, if the electronegativity is less than 0.4, we consider it non polar. if there are no polar bonds, the molecule is non polar.
