Does the salt concentration of water impact a seeds ability to sprout?

Which term refers to the total dollar value of the goods and services produced in a country in a year?

After getting the slide and microscope ready, stella is eager to see the microscopic pond water specimen! she crouches around her microscope and aligns her eye with the microscope’s eyepiece. but she's only able to see a bright white light. at this point, no specimens or cells are visible on stella's pond water slide. after taking a moment to collect her thoughts, stella realizes she can't see any lifeforms because .

Apaleontologist finds a plant fossil that shows that the plant had seeds. what can the paleontologist conclude?