B. 245 million
from the end of Carboniferous Period to the beginning of the Triassic period
The chemical process by which complex molecules of protein are made from simple molecules is called Respiration
Explanation:
Answer: B. I got it right on my test :)
Answer:
Sea stars can push their stomachs outside of their body and insert it into its prey allowing them to digest the food externally. This ability allows sea stars to hunt prey that are much larger than its mouth would otherwise allow.
Explanation:
Answer:
Heart disease is prevalent in the United States because... well, we consume a lot of sodium and fat. If you look at the stats, we are the third country with the most obese residents, with a whopping percentage of 36.20% people in the US tipping the scales. Also, people smoke a lot. Not just adults, but teenagers. Because of this, youngsters tend to also get heart disease too, despite the small age. According to cdc.gov, a family history of heart disease increases the rates, especially if one of your relatives got it under the age of 50. Due to the smoking rates at a young age, those diseases tend to transfer and increase the rates of the future US citizens.
Heart disease can affect a lot of organs, but listing them would be a pain. Here are the highlights: The heart and the lungs are intimately connected. This means that having heart disease may lead to having trouble breathing. You may have chest pains, and particularly in woman, it may affect the digestive system and cause stomach pain when eating.