What are the four types of vaccines that can be created?

1. Li.ve-atten.uated vacc.ines.

2. Inactiva.ted vaccin.es.

3. Sub.unit, reco.mbinant, polysacc.haride, and conj.ugate vacci.nes.

4. Tox.oid vacci.nes.

Explanation:

typically, most spiders possess eight eyes. however, others have as many as 12, and some don't have any. these eyes are for detecting light from dark, deciphering shapes and for gathering their prey.