1) b energy
2)-
3) autotrophic nutrition by plants
Answer:
The food chain starts with the sun
Explanation: because it provides energy for everything on the planet
Answer:
Water is the common solvent of the body
Water is a polar, covalent molecule
The high heat capacity of water relates to its ability to absorb significant
amounts of heat before changing one degree celsius
.
Acids have a higher concentration of free H+ than are found in bases
Explanation:
Water is also called universal solvent because it can dissolve a large number of polar compounds due to its polar nature. In water, covalent bond is present between hydrogen and oxygen due to which partial positive charge occurs on hydrogen and partial negative charge appears on oxygen atom due to difference in electronegativity values. Acids has high concentration of proton (H+) while bases has high amount of OH- ions.
Answer:
Didnt they bring Ox or Oxen along with them to draw carriges and to do heavy lifting.
