Air column: space within the percussion instrument that determines the pitch. Percussion: sounds produced by striking the instrument with a mallet or stick, or striking one instrument against another. 2. Review the process of forming a hypothesis and making a prediction.
Dig short, shallow rows. The rows should be no more than 1/2 inch (1.5 centimeters) deep and spaced 4 inches (10 centimeters) to 6 inches (15 centimeters) apart. 3. Drop the seeds into the rows. Space the seeds approximately 1 inch (25 millimeters) apart in order to allow the onions enough room to grow and mature.
Follow our easy tomato tips and tricks and you'll have plenty of perfect summer tomatoes! Tomatoes should be set 30 to 48 inches apart in a row with the rows spaced 48 inches apart. It's very tempting to put tomatoes closer at planting time, but if you get them too close you'll only increase the chance of disease.