Answer:
Birds can keep themselves warn without any external heat source which is not the case with reptiles and amphibians
Explanation:
Birds are able to generate heat means they are endothermic. They generate heat through various metabolic processes. They have air pockets beneath their feathers to insulate their bodies during cold temperatures. Feathers which are modified reptilian scales help birds to streamline their exterior body and structure feathers in a way that it insulates the body.
Answer:
The greenhouse effect:
The process in which gases in the atmosphere trap heat from the sun and warm the Earth. is the natural warming of the Earth’s atmosphere Solar radiation enters the atmosphere mainly as light and some of that radiation is absorbed by the Earth’s surface then changed to heat that is reradiated into the atmosphere where it is absorbed by greenhouse gases then reradiated back to Earth again
Answer:
yes
Explanation:
as they have constant speed so if frequencies increased so wavelength will decrease
