Answer:
When matter changes form, it's not chemical.
Explanation:
Something like melting of an ice cream. Shredding paper. Something that changes physically. Folding paper is another example.
Answer:
B
Explanation:
This is because the original male is not affected by the disease. In the second generation they have a female child who is a carrier of the disease because she passes it down to her son, but she is not affected. Seeing how all males that carried the disease were affected at some point the disease must lay dormant in female carriers but not males. This means the original father cannot be a carrier of the disease. Hope this helps!
A reason could be the bodies ability to process the water based vitamin as well as the person's diet. many things have b12 in it but choosing to cut something out, like meat, could cause a deficiency
