Parte de la superficie terrestre delimitada geografica , administrativa o politicamente?​

Which of the following are false concerning microbes? a. microbes generate oxygen through photosynthesis.b. the primary role of microbes on the planet involves causing disease in animals and humans.c. microbes produce vitamins in the intestines.d. microbes play a role in breaking down waste and decomposing dead organisms.

Which of the following particles always has a positive charge? a. electronb. neutron c. proton d. ion

The first generation of offspring from the cross of two parents is called the a.f1 generation b.f2 generation c.short generation d.p generation