Which causes strep throat, anthrax, and tetanus?
fungi
viruses
bacteria
protists

The  best answer is  bacteria.

Sore throat caused by a bacteria called streptococcus pyogens. It is spread or transmitted  when a person inhales tiny  fluid droplets  suspended in the air from the cough or sneeze of an infected person.

Anthrax is caused by a bacteria known as  bacillus anthracis.  Anthrax is transmitted  through handling animal products such as wool and hides that have been contaminated by the spores of the bacteria. It  is also acquired by ingesting infected meat that has been poorly cooked.

Tetanus is caused  by a bacteria called clostridium tetani which resides in soil. It gets access to the body through broken skin when a person is cut or pierced by e.g. a rusty sharp object contaminated with the bacteria.

the statement is true

b - the respond is innate and varies over time.

good luck!