Experimental technique I believe
Answer:
Explanation:
friction between two rock surfaces grinding away minerals.
When one plant's pollen fertilizes the egg of another plant it is called cross pollination.
The correct answer is True , my reason being is because they eat decomposed / decomposing things to get their food, they are not fighters , rather lazy
They form memory cells in which those cells remember the same pathogen for faster antibody production, in aid of future infections.
