How do the United Kingdom and Germany invest in human capital, resulting in better skilled and healthier workers? They invest in Education and healthcare.
They invest in Climate and location
С
They invest in GDP and factories
D
They invest in Natural resources and currency

Conditions are more like living on  land  for creatures in the upper part of the intertidal, which is only covered with  water  at extreme high tide, so life is easier on land. conditions are more like living in the ocean for creatures in the lower part of the intertidal which is only exposed to air at extreme low tide. so basically it both worlds of land and ocean.

Carbon cycle.  ask me if you need any other !

The answer is rock you are correct

A