Answer:
I believe your answer is B
Plant Roots. The root system of a plant constantly provides the stems and leaves with water and dissolved minerals. In order to accomplish this the roots must grow into new regions of the soil. The growth and metabolism of the plant root system is supported by the process of photosynthesis occurring in the leaves.
The two principles that makes the scientific method a unique process are: The first principle is that events in the natural world have natural causes. The second is uniformity which is the idea that the fundamental laws of nature operate the same way at all places and at all times. Scientific method is the sequence of phases trailed to solve problems as well as collecting data, formulating a hypothesis, testing it and stating conclusions. The scientific method has five straightforward stages and plus one feedback step: 1. Make an statement 2. Ask an interrogation 3. Arrange a testable description 4. Make a forecast based on the theory 5. Test the forecast 6. Repeat the use the outcomes to create new hypotheses or calculations.
Answer:
The International System of Units (SI, abbreviated from the French Système international (d'unités)) is the modern form of the metric system and is the most widely used system of measurement.
Explanation:
The seven SI base units, which are comprised of:
Length - meter (m)
Time - second (s)
Amount of substance - mole (mole)
Electric current - ampere (A)
Temperature - kelvin (K)
Luminous intensity - candela (cd)
Mass - kilogram (kg)
Answer:
Major histocompatibility complex
Explanation: In a variety of animals, including humans, there is a correlation between odor preference, and genetic similarity at the Major Histocompatibility Complex (MHC).
MHC is a highly polymorphic group of genes that play an important role in the immunological self/non self recognition. Its products have been recognised to take part on the numerous compounds and reactions that build up an individual's body odor.
