They are all compounds. This means that several elements make them up. H2O, or water for example, is a mix of two Hydrogen (H) and one Oxygen (O).
The substance is guided through a protein embedded in the membrane from high to low concentration since this not considered as active.
Answer:
In developing countries children are needed as a labour force and to provide care for their parents in old age. In these countries, fertility rates are higher due to the lack of access to contraceptives and generally lower levels of female education
Explanation:
Answer:
The correct answer is A) Replicability.
Explanation:
The principle of replicability states that the results obtained by a researcher, in certain investigation work, have to be the same for other researchers who are following the same steps. If the experiment cannot replicate under the same conditions, then it's not valid to the scientific community and therefore cannot be published.
Adhesion of water to the surface of a material will cause an upward force on the liquid. The surface tension acts to hold the surface intact. Capillary action occurs when the adhesion to the surface material is stronger than the cohesive forces between the water molecules.
