Answer:
D and B
Explanation:
Solar cells soak up the sun which converts to chemical energy, and that's basically the way how light bulbs light up.
Hope this helps!
Answer:
The presence of photosynthetic pigments.
A supply of carbon dioxide.
A supply of water.
Light energy.
A suitable temperature.
Explanation:
Answer:
Lymphatic: bacteria invade the body but are removed with the help of cells
Endocrine: A chemical message is signaled to help the body relax and sleep
Nervous: The brain signals for the muscles to contract
Explanation:
Lymphatic system is the part in the body that uses the cells in your body to help it.
The endocrine system is about hormones and how the body needs to maintain stable and have homeostasis.
The brain is part of the nervous system and it sends signals to other parts of the body.
B. because STEM is SCIENCE technology ENGINEERING and mathematics therefore dis bih Anika will b a scientist for NASA
Answer: CO alarms have a life expectancy of around seven years. The CO alarm will beep every 30 seconds or display ERR or END. If a CO alarm is at its end-of-life, replacing the battery will not stop the beep. Most detectors will beep 4 or 5 times in a row about every 4 seconds. Do not mistake dangerous levels of poisonous gas for a detector with low battery.
Explanation: (credits to the internet) Hope this helped! :D
