Prey-predator relationship. Explanation: The relationship between the praying mantis feeding on a bee.
The purpose of a presumptive test is to see which substance the sample is.
Answer: Flowers need sunlight
Explanation:
Flowers are attracted to the light because its wants makes them grow its kinda like humans eating food well as a flower they need water air and sunlight as there food.
Because you will focus past ("overshoot") your specimen. (Like using a race car as a shopping cart: it's too fast, and you'll fly past the cereal and never even see it before you realize you need to stop.) Also: you risk crushing the slide and objective against each other (on older or cheaper scopes), and that would be a costly (and embarrassing) mistake.