How would you describe the symbiotic relationship between the termites and their microbes?

Which of the following statements is true? 1. the mantle of the earth is made of solid nickel and iron. 2. the crust of the earth is made of solid nickel and iron. 3. the inner core is made of solid nickel and iron.

Is a measure of the different types of organisms in a community. question options: tertiary secondary primary none of the above

Ineed with a hypothesis my question is can seeds sprout in different locations?