Acid precipitation is caused by a mix of what?

Heredity has an impact on personal health, but environmental factors are important as well. select the best answer from the choices provided

The fruit of a certain plant is sweet and fleshy. the seeds of this plant have a seed coat that is fairly tough. the seeds germinate better if they are exposed to acid, or scarification. what is the most likely type of dispersal for this seed? water animal wind

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