Answer:
I think it's more man-made possibly, but it might be both. You might want to see if someone says both, both I guess C maybe.
A covalent bond is a chemical bond which involves the sharing of atoms.
Answer:
Some cells function best at a pH of 5, while others are better at pH 7. ... control what crossed their membranes, either no molecules would make it across, ... Various types of cell transport are summarized in the concept map in ... Figure 5.7.5 demonstrates the specific outcomes of osmosis in red ...
Explanation:
Answer - Well to put it in short terms.
Cells such as water cells or aquatic microorganisms need and required to have a large surface area increased. Because this helps them stay afloat without spending much amount of energy to float.
Diffraction occurs when a wave moves through an opening in a barrier. This causes the wave to change direction and spread out.
Waves can behave in three different ways depending on the obstacles they encounter. They can reflect, refract or diffract. In diffraction, waves such as sound, light or water either bend around small objects that obstruct their passage or spread out as they travel through a gap in the barrier.
The degree of diffraction forms a direct relationship with wavelength. It generally increases as wavelength increases. Conversely, the amount of bending lessens as wavelength decreases. However, if the opening of the barrier is smaller than the wavelength, the effect of diffraction is not easily observed. Hope this helps.