Earth’s atmosphere had little to no oxygen. It was composed of carbon dioxide, water vapor, and nitrogen, with lesser amounts of carbon monoxide, hydrogen sulfide, and hydrogen cyanide. Because of these gases in the atmosphere, the sky was probably pinkish-orange. Meaning once earth obtained more oxygen the sky turned blue.
Answer:" I have been trying to conceive a baby for a few months."
Explanation:
If she is pregnant, the virus can be passed to the foetus which can cause deafness and some other negative effects to the foetus.
they must be unicellular and microscopic and they must be eukaryotic
B. Muscle cell, also known as myocytes, have more abundant mitochondria than the other cells listed. This is primarily due to the fact that sustained muscular contractions require massive amounts of cellular energy, transported throughout the cell within the phosphate bonds of Adenosine Tri-Phosphate (ATP) molecules. Mitochondria are the cells' organelles that produce ATP, giving them the nickname "energy powerhouses of the cell."
Answer:
D
Explanation:
Brain can create new connection between neurons.
