I’m assuming it’s going to be positive for bones will release calcium into the blood, bringing the blood calcium levels back up and for negative the brain will sense the decrease and send a chemical message to your bones. I’m not sure if this is right
One is optamistic feedback and another is pesimistic.
Chemichal is like you burn wood I can't get it back u bake a cake you cant get the eggs the milk and all that stuff back && physical is I really don't know a good example but it's the opposite of that
Hello the correct answer would be D When a molecule of double-stranded DNA undergoes replication, it results i a two double-stranded DNA molecules, each composed of one and one old strand. trust me I had this last semester and finished with an A-