A tumor is an abnormal mass of tissue, which doesn't necessarily mean that you have cancer. Tumors can be benign, not cancerous, or they can be malignant, pre-cancerous. Another name for a tumor is a neoplasm.
Because each body system has a completely different function.
Answer:
1 f
Explanation:
because the are sufficiently many ways that could occur that you are not in a good condition that could be mental heal...etc
The answer is false because conserving water only saves water, it does not prevent water pollution
Answer:
Filtration
Explanation:
look at the image closely that's the first step in treating water from a river or lake.
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