In the X and Y chromosomes. 50% of your mom's genes are in the X chromosome, and 50% of your dad's in the Y.
In an experiment the HYPOTHESIS is tested. The hypothesis is the assumption, that you make about something. Example would be, you believe (hypothesize) that the baking soda will react faster in vinegar than in water. You then test it out (or preform and experiment) to see if your hypothesis is correct or wrong.
Answer:
the correct answer would be
A. atoms, molecules, cells, tissues, organs
It is subdural hematoma
A subdural hematoma is a collection of blood outside the brain. They're usually caused by serious head injuries. Bleeding and added pressure on the brain from a subdural hematoma can be life-threatening.
The first one is epidermis, the second one is the dermis i believe, I hope this helps
