Which element is most important for adding strength to hair, feathers, and outer skin? oxygen hydrogen sulfur phosphorus

The body is protected against harmful flu viruses by

What best describes the dropping height of a ball that bounces back up to a height of 45 cm

Answer ! in your opinion, what are the limiting factors that might affect the growth or diversity of our ecosystem? respond to this question in claim, evidence, reasoning format. 1. make your claim (i are the limiting factors that might affect the growth or diversity of our 2. follow the claim with 3 pieces of evidence. evidence may be taken from the reading, the videos, previous lessons, or googled answers. site sources, too. 3. use reasoning to explain why you chose your evidence.