Which organ is a part of the respiratory system? a. lungs b. trachea c. ribs d. all of the above

This part insulates the reaction chamber from the transfer of heat to or from the surrounding environment

Research question: why are the carrots that grew on the left side of the garden larger than the carrots that grew on the right side of the garden? which hypothesis is based on this research question? a comparison of people with gardens to people without gardens will show who is likely to live longer. b. carrots are thought to be good for your eyesight and should be eaten regularly. c. carrots that are provided lots of sunlight grow to a larger size than carrots grown in the shade. d. eating fresh vegetables every day is a healthy thing to do.

The cretaceous period spanned the time interval between and 65 million years ago. 250 million 144 million 75 million 200 million