Select the correct answer from each drop-down menu.
An ecosystem now receives far less rain than it used to. The weather also became drier and hotter. Over time, plants with structures that helped them to conserve water became more prevalent than plants that didn’t have those structures.
From this information, we can conclude that the plants developed because of
.

i think your answer is c. measurement system in which the medication dosage was calculated.

no, because those are both different running competitions. while distance runners train their legs and their lungs to run long amounts of time, the sprinters are training their legs and their lungs to give all they have in the little amount of area they need to cover. the brain also plays a huge part in all of this.

the brain is the only thing in your body that sends messages to your body telling you to run. if you are a long distance runner and you have the mind set of a sprinter, you will not get anywhere. if you have a long distance mind set and you have to run 200m in 20 seconds then you will not make it in time.

delegated (sometimes called enumerated or expressed) powers are specifically granted to the federal government in article i, section 8 of the constitution. this includes the power to coin money, to regulate commerce, to declare war, to raise and maintain armed forces, and to establish a post office.