When climbing a mountain, we can observe transitions in biological communities that are analogous to the changes in biomes at different latitudes.
Our youth is exposed to cigarettes, vape pens etc and that whole industry trying to target the youth even make them flavorful to be more appealing to the youth
A is your answer I believe because they do indeed provide a way to review other scientists work and or experiments
Answer:
Explanation:
One major characteristic used to identify bacterial species is by Gram staining. This makes bacteria to be classified into two broad classes; Gram positive bacteria (appear purple after stain) and Gram negative bacteria (appear pink after stain).
Another characteristic used is the presence or absence of capsule.
Other characteristics include there motility (which can be due to the presence of flagella), bonding tendency (which can be individually or in pairs) and also pathogenic bacteria can be classified as intracellular or extracellular bacteria.
