Answer:
Oxygen is reduced, gaining electrons and hydrogen ions. -second choice
Increase and decrease in oestrogen and progesterone.
The correct answer to this open question is the following.
Although there are no options attached, we can say the following.
The method is a forecasting method based on the idea that the weather
on any date will be close to the average of the weather that occurred on that date throughout the years is the Climatology method.
The Climatology method has been used by climatologists to forecast the weather conditions of a region. Scientists and meteorologists have a series of data and statistics collected through the years and they proceed to measure the average temperature. This simple method is based on the patterns of weather from the past to project similar scenarios in the future.
Mutualism is when both sides benefit. The hummingbird gets nectar and the flower is benefited because the hummingbird that has been to other flowers carry pollen on its body which spread the flower when it sucks its nectar, therefore pollinating the flower in the process.