Hmmm im reallt not sure this pretty hard im stuck i need help!
Answer:
There are two main types of stem cells: embryonic stem cells and adult stem cells.Stem cells provide new cells for the body as it grows, and replace specialised cells that are damaged or lost. They can divide over and over again to produce new cells.
D. They make their own food using energy from the sun. Trees use a process called photosynthesis to convert light energy from the sun, carbon dioxide, and water into glucose (the food) and oxygen.
High energy electrons are highly reactive (Their energy can be used to make NADPH & ATP.)
Answer: Osteoporosis is more prevalent among women than men because women generally have more bones in their bodies than men have. take in more calcium than men take in. have lower bone mass than men have. exercise more than men do.
Explanation: Becouse i think thats it