Answer:
I think its organic material from plants and animals
Explanation
Edge 2020
<span>Rachel Carson can be credited for bringing attention to the unchecked use of pesticides, bringing attention to pesticides harmful effects on the environment, and the modern environmental movement. The correct option is D. Rachel Carson brought attention to the dangers of pesticides use through her books, she was the first person to bring light to the harmful effects of pesticides use and this propelled the government to establish the Environmental Protection Agency. She was also credited for advancing the global environmental movement.</span><span />
Without the nuclear membrane the cell would collapse and die. Without the cell membrane, any chemical would be allowed to enter.
Answer: In the stomach, oesophagus and intestines.
Explanation: Parastalsis is an involuntary wave-like movement of the bolus(food) and chyme by muscle contractions in the digestive tract. It occurs in the oesophagus, stomach and intestines. This happens by relaxation of circular smooth muscles allowing the bolus to pass and contract again to propel it forward. It goes on like that until it is secreted in the anus. Parastalsis is not limited to the digestive tract but also takes place in other hollow tubes in the body.
<u>Answer:</u> Human muscle cells also use fermentation. This occurs when muscle cells cannot get oxygen fast enough to meet their energy needs through aerobic respiration. There are two types of fermentation: lactic acid fermentation and alcoholic fermentation.