Describe a scenario where a stimulus creates an external response. In two or more complete sentences, state the scenario, identify the stimulus and identify the external response. Complete your answer in the essay box below.

Why is it important to reduce the number of chromosomes in half when forming gametes for sexual reproduction?

~fourth largest plate ~includes parts of the indian and atlantic oceans ~subducts below the eurasian plate on the west side ~ the arabian and somali plates form boundaries with it what is the name of the tectonic plate described above? a) african plate b) eurasian plate c) north american plate d) indo- australian plate

20 points and brainlist 1. london has suffered from terrible air pollution for at least seven centuries. why is the city so prone to its famous “london fog? ” what did london do to get rid of its air pollution? 2. why does air pollution cause problems in developing nations more than in developed ones?