Bradley decides one day to run a marathon without any training. after ten minutes has elapsed and bradley has run half a mile, he begins to get cramps in his thighs. he is also breathing very rapidly. what is causing the cramps on bradley's legs?

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

Which of the following situations describes a adaptation for a mole? question 2 options: a mole is blind and cannot see underground. a mole is bright and attracts the attention of predator birds. a mole has a sensitive sense of smell to it find food underground.

The pressurized plants and fungi mentioned in the video have some surprising similarities. what differences would you expect them to have?