Answer:
The use of fossil fuel over the years in both transportation (cars and trucks) and industrial factories.
Explanation:
The burning of fossil fuels result in an increase of carbon dioxide because it is the product of the chemical reaction.
Answer:
Cheek cells are fairly easy to observe, simply take a flat toothpick and rub it on the inside of the cheek. Swirl the toothpick in a drop of methylene blue on a microscope slide. Place a coverslip on the slide and view with a light microscope. Cells from the cheek are a type of epithelial cell, similar to skin.
Explanation:
Answer:
Growth.
Reproduction.
Metabolism.
Cell to cell communication
programmed cell death.
Explanation:
Answer:
1) Sambungan bola-dan-soket. 2) Sendi engsel. 3) Sambungan poros 4) Sambungan elips.
Penjelasan:
Sendi adalah daerah di tubuh kita tempat dua tulang saling menempel. Ada empat jenis sambungan 1) Sambungan bola dan soket. 2) Sendi engsel. 3) Sambungan poros 4) Sambungan elips. Sendi bola-dan-soket adalah sendi yang ada di bahu dan pinggul. Sendi engsel ada di pergelangan kaki, siku, dan lutut. Sendi poros ada di leher dan pergelangan tangan. Sendi elipsoidal ada di tangan dan jari.
Answer: B. Natural selection produces change in populations, rather than individuals.
Explanation: Good luck! :D