Refraction happens when light …………… When the light ray passes from a less dense medium (for example ……………..) into a more dense medium (for example ………………….) then the light ray will slow down, which causes it to bend ………………………the normal. Help Help HelpHelp Help HelpHelp Help HelpHelp Help HelpHelp Help HelpHelp Help HelpHelp Help HelpHelp Help HelpHelp Help HelpHelp Help HelpHelp Help HelpHelp Help HelpHelp Help HelpHelp Help HelpHelp Help HelpHelp Help HelpHelp Help HelpHelp Help HelpHelp Help HelpHelp Help HelpHelp Help HelpHelp Help HelpHelp Help HelpHelp Help HelpHelp Help HelpHelp Help Help

i think so it’s will be b yes i believe its

acid rain does not usually kill trees directly. instead, it is more likely to weaken the trees by damaging their leaves, limiting the nutrients available to them, or poisoning them with toxic substances slowly released from the soil. the main atmospheric pollutants that affect trees are nitrates and sulphates.

definition

                    entropy is a measure of the randomness or the extent of disorder of a chemical process.

                      enthalpy is a measure of the heat change of a reaction occurring at a constant pressure.

measurement units:

                        entropy is measured in joule per kelvin (jk⁻¹)   whereas enthalpy is measured in joule per mole (jmol⁻¹)

requirements:

                            entropy has no requirements or limits, and its change is measured by the division between the heat change of the chemical process and the temperature.

                              in contrast, enthalpy can only be related to the heat change of the reaction under standard conditions.

the transfer of heat by electromagnetic radiation is called thermal radiation . it is usually carried out by electromagnetic waves in an energy range just below the visible spectrum, which is the infrared range.

so the answer would be radiation.

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