Which ion is typically present in soil with a high acidity

Which statements describe resources? one of the factors people use when deciding where they will live is the availability of resources. renewable resources have little value for people. resources are unevenly distributed throughout the world. energy is the world resource which has the highest use. the use of nonrenewable resources has decreased in recent history. the use of resources is evenly distributed throughout the world. the world's oil supply will last for the next forty years if its use continues as expected.

Which kingdom includes some organisms that have no nucleus and can live in an environment with an extremely high salt content

Several billion years ago which gas was the least prevailant in the atmosphere