Answer:
Indpendant veriable cigarette smoking on lung cancer.
Dependant veriable:The number increase
Explanation:
Carbon dioxide and oxygen cannot pass through but move in and out
<span>Answer: Bone marrow stem cells have been shown to generate cartilage, bone, and muscle when injected directly into the injured site
Stem cells could differentiate into the various type of cells, makes them able to regenerate part of the body that doesn't have regeneration abilities. The cell that involved the </span><span>tear of the rotator cuff would be cartilage, bone, and muscle. Stem cells could replace the damaged cells so that the muscle and joint might work better. </span>
ANSWER: Quaternary
just took the quiz on edge
Bacterial cells pick up free pieces of DNA from the medium-pieces that were released from dead bacteria-in a process called<span>. transformation.</span>