Answer:
The three main cycles of an ecosystem are the water cycle, the carbon cycle and the nitrogen cycle. These three cycles working in balance are responsible for carrying away waste materials and replenishing the ecosystem with the nutrients necessary to sustain life.
Explanation:
None needed.
Answer:
DNA.
Explanation:
Chromosones use a molecule called DNA to carry genetic information. A DNA exists in a cell's nucleus within structures named chromosones.
Good luck~!
The contractions of the heart is what creates out blood to pulse through out body and is the basis of our blood pressure; which means this statement is TRUE.
The systolic number (top) of the blood pressure is our heart physically pushing the blood out of the heart and to the rest of the body.
The diastolic number (bottom) of the blood pressure our heart at rest when it has just finished with one pump.
The answer should be —10 — 5i
I personally think that it's C because all others r present......even D......because plants like climbers do curl around a tree trunk !!!
