It's the only star in the sky (visible from the northern hemisphere) that never seems to move. It stays at almost exactly the same point in the sky, while the other stars all circle around it once a day.
A vector has a size and a direction. The size is called the magnitude of the vector.
Answer:
it is the physics that explains how everything works. The best description we have of the. nature of the particles that make up matters and the forces with which they interact. It underlines how atoms work, and so why chemistry and biology work as they do
Answer:
because it has no balance
Answer:
b -algae
Explanation:
The most common producers in aquatic ecosystems are the algae. They are called phytoplanktons.
- In the food web and food chain of aquatic ecosystems, they usually set out with the algae.
- These algae are called phytoplanktons.
- They are the producers in all aquatic ecosystem.
- Phytoplanktons consists of algae and cyanobacteria.
- Just like plants on land, phytoplanktons manufacture food in an aquatic ecosystem.
