Which common sexually transmitted disease is caused by the bacterium chlamydia trachomatis? a. chlamydia b. pruritus vulvae c. trichomoniasis d. gonorrhe?

Of the pollutants that form acids in the atmosphere, which is easiest to reduce? a. sulfur dioxide b. nitrogen dioxide c. ozone d. carbon monoxide

The frequency of alleles in a population that is in hardy weinberg equilibrium? a . changes in each successive generation b. is less important than the frequency genotypes c. shows evidence of the process of natural selection d. remains the same over several generations

What is the most common structure of volcanoes?