An example of a property of matter that can be observed without changing the identify of the matter is a flammability b reactivity c solubility d ability to rust

Which of the following is a cause of a dna mutation? o a. the linking of amino acid subunits into a long chain o b. the transcription of dna into rna o c. an error in the repair of damaged dna d. the diffusion of molecules across the cell membrane submit

The body is protected against harmful flu viruses by

Ais a group of individuals of the same that exist together in the same place at the same time