Answer:
The most widely accepted theory of planetary formation, known as the nebular hypothesis, maintains that 4.6 billion years ago, the Solar System formed from the gravitational collapse of a giant molecular cloud which was light years across. Several stars, including the Sun, formed within the collapsing cloud.
Explanation:
Answer:
carbohydrates
Explanation:
I'm not rlly sure but I think its carbohydrates
Answer:
1 row- Primary producers (plants and phytoplankton)
2 row- Primary consumers (Herbivores)
3 & 4 row - Secondary consumers (Omnivores and Carnivores.)
Answer:
Producers perform photosynthesis so that consumers have food.
Explanation:
Producers create food from sun, water, and air. They can not eat any other animals because they are too small. They compose photosynthesis so the consumers can get energy from the food they eat, and the food web can continue. Hope this helps!
1. Temperatures are extreme; mostly high or very cold temps (only winter and summer it feels like). They have changed over years.
2. Polar ice caps (glaciers) are melting drastically.
3. Habitats/ecosystems such as the coral reef are suffering and are expected to disappear over the course of 10-20 years