Use the scenario to answer the question. A student is examining scientific evidence to support the following claim. “Life is possible because of the unique mixture of gases that cycle through the Earth’s spheres.” Which evidence best supports the student’s claim?

A__ is two or more substances that are together in the same place but are not chemically combined

Which ocean zone has the most abundant primary producer and why a) the abyssopelagic zone ,du to the absence of light and cold water temperatureb) the bathypelagic zone, due to the absence of light and cold water temperaturec) the mesopelagic zone ,due to uts high light availability and warm water temperature d) the epipelagic zone,due to its high light availability and warm water temperature

Ants live on acacia trees in south america. the ants feed on sugars secreted by the trees. the trees provide room for the ants to live. the ants sting any other insect or animal that comes to eat the trees. what type of relationship is this?