Atree is planted in a meadow.

after 20 years it has grown into a big tree, weighing 250kg more than when it was planted.

where do the extra 250 kg come from?

explain your answer as fully and scientifically as you can.

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

One important development during the 3rd trimester that will insulate the infant against changes in temperature is a. the deposition of fat under the skin b. the closing of the septum between c. the atria of the heart d. the beginnings of lung functioning e. the beginnings of light and sound sensing

Qué sucede cuando una persona tiene muy poco o demasiado costeroides?