How many of the given vegetable crop(s) is/are vitamin-a enriched?carrot, pumpkin, tomato, bathua, lablab, garden peas.

a: the sheep and waste material both release carbon into the atmosphere.

it’s lava came from an explosive eruption

the principles and empirical processes of discovery and demonstration considered characteristic of or necessary for scientific investigation, generally involving the observation of phenomena, the formulation of a hypothesis concerning the phenomena, experimentation to test the hypothesis, and development of a conclusion that confirms, rejects, or modifies the hypothesis.