What exercise? Post a picture of it.
1) Weather services gives up to 8 hours of watch time because its just a prediction and might not be accurate
2) Necessary precautions is when there is a dangerous weather alert coming towards you and you need to go for safety
3) When theres a warning, it means to look out for something and be safe at the same time
When an ion or a molecule passes through a membrane without something facilitating, or encouraging that passage, such as a protein does. What drives it is the force of the diffusion itself instead.
Answer:
the glutamate causes an influx of ca2+ions the nerve cell akin to what occurs during depolarization.
When the population is large and dense.
Hope this helps:)
