The answer is d. the amino acid
Answer:
oxygen: it was the result of biological activities. There were such stable continental shelf environments, which were rare in the Archean, developed after 2.5 billion years ago, facilitating the growth of photosynthetic organisms and thus oxygen production.
Answer:
Anything dumped or dropped on the ground or in the gutter can end up in the nearest body of water. Stormwater pollution results from materials and chemicals washed into the storm drains from streets, gutters, neighborhoods, industrial sites, parking lots and construction sites.
Given what we know, we can confirm that this behavior is indicative of a neurotransmitter.
<h3>What are neurotransmitters?</h3>
A neurotransmitter is a signal liberated by a neuron, to describe it in the most simple of terms possible. This neurotransmitter travels further from the originating synapses and affects another cell, being involved in the new synapse taking place in that cell.
Therefore, we can confirm that this behavior is indicative of a neurotransmitter.
To learn more about neurotransmitters visit:
brainly.com/question/8849920?referrer=searchResults
Answer:
Two
Explanation:
Since the Earth rotates through two tidal “bulges” every lunar day, we experience two high and two low tides every 24 hours and 50 minutes.
