Answer:the tough outermost membrane enveloping the brain and spinal cord
Explanation:
Answer:
the diseases that come at the time when they born are called congenital disease
Explanation:
mainly occur to babies
Answer:
photosynthesis is what organisms use to create food and energy. this comes from the sun. and cellular respiration is carbon dioxide that comes from the animal after photosynthesis
Explanation:
D because destroying toxens and destroying tissues are caused by bacteria
