Answer:
C.
Explanation:
Nitrogen fixation is a process by which molecular nitrogen in the air is converted into ammonia or related nitrogenous compounds in soil. Atmospheric nitrogen is molecular dinitrogen, a relatively nonreactive molecule that is metabolically useless to all but a few microorganisms.
Answer:
Marsupial animals(including kangaroos) raise its offspring inside a pouch. Placental animals complete development nourished by the <em>placenta.</em>
Answer:
C. 5 km/h north
Explanation:
Speed is the rate at which an object changes position, and it is measured in meters per square seconds. The formula or equation used in calculating speed is distance divided by time. The distance traveled is always in meters and time is always in seconds to get the speed it will be one meter per second. Speed doesn’t specify the direction at which an object will travel. Hence the answer is C. 5Km/hr north
Answer:
What is the thoracic cavity contains heart, trachea, lungs, and esophagus.
Explanation:
Genetic engineering is applied to techniques like DNA cloning in which the steps are: step 1: DNA cutting from the parent source; step 2: DNA cut is pasted into the matrix to be modified; step 3: matrix is introduced to the host cell and step 4, vector DNA is isolated. these are the steps.
