Answer:
Copper and Iron
Explanation:
Metals, like copper and iron, are good conductors of heat; that is because metals are bounded by a 'cloud' of free electrons and these electrons can carry easily kinetic energy through the metal
On the other hand, foam and wood are isolators, that is, they are bad conductors of heat.
The correct answer is D . Milk
The question is: To neutralize 20ml of 0.1M HCl solution, 10ml of NaOH solution of concentration x mol/l is required. What is the value of x?
Answer: The value of x is 0.2 M.
Explanation:
Given:
= 20 mL,
= 0.1 M
= 10 mL,
= x
Formula used is as follows.

Thus, we can conclude that the value of x is 0.2 M.
A plant makes its own food from the water and sun
Answer:
I think It's C
Explanation:
due to higher waves can get easy transfers and receive those signals for most things, such as radios, TVs, phone signals etc etc