<span>Cancerous tumors are divided into broad groups on the basis of the particular type of tissue from which the tumor cells arise. this is called histogenesis.
</span><span>Tumors are of different types, some are cancerous and some are benign (non-cancerous). In a disease of cancer, there is an abnormal cell growth. It is characterized as out of control cell growth.</span>
Answer: I believe that the answer is D.
Explanation:
Apple Tree hope this helps
The right answer is HEPA filter.
A HEPA filter (High Efficiency on Particles Air) can filter up to 99.97% of 0.3μ aerial particles.
These filters are used to clean the air and retain suspended particles (dust, pollen, bacteria etc.) and other particles that can cause respiratory allergy in sensitive subjects.
They are very used in sterile rooms
HABITAT- marine environments that range from the shallow estuarine to the deep sea
ADAPTATIONS
1. They are five- sided radial symmetry
2. They are able to regenerate body parts , and some species of sea stars are even able to grow a new body from a severed arm.
3. They have a water vascular system
