Yes
Sometimes. It depends on what is causing the knocking.
locust
During an earthquake, sometimes causing a sunami.
There are:AvalanchesEarthquakesVolcanic EruptionsFloodsLimnic Eruptions - When gas (Co2) bursts from underneath the water sometimes causing TsunamisTsunamisBlizzardsHurricanes-(sometimes called cyclone storms or typhoons)DroughtsHailstormsHeatwavesTornadoesEpidemics (like the plague its an outbreak of diseases)FaminesSolar Flares (This is like when the sun farts. It can trigger change to the world sometimes causing a natural disaster)
When I turn my AC on sometimes they come on and sometimes dont, causing it to overheat. I checked the fans by hotwiring from the battery and they turned on everytime.
Solar Flares
the choke could be sticking causing the car the flood
There are:AvalanchesEarthquakesVolcanic EruptionsFloodsLimnic Eruptions - When gas (Co2) bursts from underneath the water sometimes causing TsunamisTsunamisBlizzardsHurricanes-(sometimes called cyclone storms or typhoons)DroughtsHailstormsHeatwavesTornadoesEpidemics (like the plague its an outbreak of diseases)FaminesSolar Flares (This is like when the sun farts. It can trigger change to the world sometimes causing a natural disaster)
Yawning upon waking can be a way for the body to increase oxygen intake, regulate body temperature, or signal a transition between sleep and wakefulness due to changes in brain activity. It is a natural physiological response and usually not a cause for concern.
They come from your ancestors and every human on this earth ancestors because Africa is the motherland and as time passed on & pangea occcured several human species went thru environmental evolution which caused them to "adapt" to their new environments. For instance: skin color, eye color, hair texture and changes like that comes from environmental evolution causing certain homosapiens to adapt to their environment, but yes, "colored people" come from your ancestors.
Red water is caused sometimes by blood. Sometimes in rivers or oceans, animals get injured and their blood floats up to surface causing red water.