Questions

Farming in the early New England colonies was challenging because unfamiliar weather and soil conditions affected cultivation.

Cytokinins is a Plant hormone which helps in cell division and leads to Growth & formation of shoots, roots & bud.

Deficiency of Iodine cause Goiter also called Enlarged Thyroid. It doesn't give any pain but difficult to swallow and breath are its causes.

Radon gas is a source of natural groundwater pollution.

Arteries carry oxygenated blood away from the heart to the tissues, except for pulmonary arteries, which carry blood to the lungs for oxygenation (usually veins carry deoxygenated blood to the heart but the pulmonary veins carry oxygenated blood as well).

The first attempt in printing was made in England by William Caxton.

William Caxton was an English merchant, diplomat, and writer. He is thought to be the first person to introduce a printing press into England, in 1476, and as a printer was the first English retailer of printed books.