When cancer cells enter the lymph or blood system, they can form secondary tumours elsewhere.
<span>Secondary tumours are actually metastasis, cancer that spreads to a different part of the body from where it started. This happens when cancer cells break away from the main tumour and travel via blood or lymphatic system to other certain parts of the body. It is more difficult to treat metastasis because it is not always the same type of an original tumour.</span>
Answer:
Wave
Explanation:
These are characteristics of a wave.
Hello.
Physical indicators of healthy water quality are temperature<span> and turbidity.
Have a nice day
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Answer:
In a zygote alleles comes from both male chromosome and female chromosome................ So, inherited from the parents.
C because it would be known as a hydrogen bond
