The answer should be testable
Answer:
Your answer is D) leaves. The leaves serve as the "solar panels" of the plant, because they gather sunlight for photosynthesis.
Active transport refers to a substance moving from areas in which it has low concentration to an area with high concentration, one example i guess is endocytosis, "<span>the taking in of matter by a living cell by invagination of its membrane to form a vacuole"</span>
Answer:
To see land elevation or underground elevation.
Explanation:
You can use it to know what it under the ground before digging if you need a space to construct a building or parking. Or perhaps, even when building a house.
I believe the answer is openings into the tracheae of insects
Spiracle is an opening that connect to the respiratory organ. When opened, the spiracle will allow air from atmosphere to flow to the trachea. It could be found in insect like spider or in vertebrae like jawless fish. You could say that spiracle is similar to nostril in human
