What is a neuron called that receives neurotransmitters from other neurons

How can scientists test their ideas about the origin of the universe if they can't physically interact with or study?

Why does meiosis produce cells with half the chromosomes? o a. most of the chromosomes are not necessary to keep an organism alive. b. a gamete needs only half the number of chromosomes because two gametes join together. o c. it makes the gametes easier to move around in the organism. o d. it is faster to produce gametes with fewer chromosomes.

What substance is the most acidic. lemon juice. tomato juice. sodium hydroxide. water