you have an unknown piece of matter in front of you that you beleive to be a piece of bark from a tree. How would you determine if the matter is organice or not

The kind of fertilization found in the majority of aquatic animals is (internal or external) fertilization.

An ecologist studied the same species of deer during the summer and the winter. she noticed that during the summer, when there was plenty of food, the deer were energetic and playful. however, during winter when food was scarce, the deer moved more slowly and did not run unless they needed to escape a predator. which scientific fact is best supported by her observations?

Consider the equation s + o2 ? so2. what is the product? question 3 options: s so 2 s + so 2 o 2