Answer: Fertilizer that ends up in rivers and streams from lawns and other places cause Algae.
Explanation:Algae can become harmful to the environment
1. The adult frog may eat the young frog
2. There will be more resources for the frogs <span />
The inner planets of our solar system, Mercury, Venus, Earth, and Mars, originated from small dust and larger particles in the solar nebula that collided with each other over millions of years forming larger and larger particles. These eventually became protoplanets.
Answer to question four is B
