Ribosomes. Ribosomes which synthesize proteins are found in the rough endoplasmic reticulum.
Answer:
3.5 billion years ago, or in the Eoarchean Era.
Explanation:
The first known single-celled organisms appeared on Earth about 3.5 billion years ago, roughly a billion years after Earth formed. More complex forms of life took longer to evolve, with the first multicellular animals not appearing until about 600 million years ago.
The earliest undisputed evidence of life on Earth dates at least from 3.5 billion years ago, during the Eoarchean Era.
Have a fantastic rest of your day!! \(^u^\)
B. Air temperature
Because as air temperature increase the global climate change will increase with it causing glaciers to melt, wild fires to increase, dry air, more plants dying, and droughts...
The answer is A, homozygous donimant - although i have a feeling that the question you posed was not right, were both the parents meant to be homozygous? or should one be heterozygous? (it's just that would be a better question!)
:)
The loss in soil fertility, poor crop production, and hardened soil surface I think
