When you can not see what is taking place. but other sense indicate occurrences. what is it called

Which of the following was a goal of european conservation in the early 1800

What was the land like around rome? dry rocky fertile volcanic

Select the correct answer. after months of heavy rains, a farmer noticed a steady drop in crop production. upon testing the farmland, it was found the soil was severely lacking nutrients. which of the following explains the loss of nutrients from the soil? a. drought b. drainage basin c. leaching d. water shedding