Organic materials less than "50,000 years" old are the type of materials that scientists would date with the carbon-14 method.
Tissue damage activates nociceptors or pain receptors in the skin. A signal is sent to the peripheral nerve to the spinal cord where neurotransmitters or chemical messengers are released. It activates other nerves to pass signal to the brain. The signals are relayed to the somatosensory cortex for sensation, frontal cortex for thinking and limbic system for emotional response.
1/4 - Tall and colored
1/4 - short and colored
1/4 - tall and white
1/4 - short and while
Also sorry that’s very messy writing lol
Answer:
Because lichens enable algae to live all over the world in many different climates, they also provide a means to convert carbon dioxide in the atmosphere through photosynthesis into oxygen, which we all need to survive. ... Lichens can provide us with valuable information about the environment around us.
Because they are in different galaxies. I hope this helps! :)
