I need help asap plzz first person to answer i will mark brainliest Diagram 1

What type of air mass was already present A?

What type of air mass is coming in B ?

What type of front is indicated by the purple arrow?

What weather change is occurring because of this front?

Compare and contrast physical changes with chemical changes.

56.16 gregor mendel was the first scientist to use statistics to analyze scientific data. before mendel's experiments, scientists believed that organisms acquired traits from their environment and passed them on to their offspring. after mendel's discoveries were accepted, scientists realized that traits passed to offspring were the result of genes being passed from parents to offspring. this is an example of pls

How many moles of sulfur dioxide are produced when 4.38 moles of oxygen completely react with iron (iv) sulfide