Answer:
Groundwater is transported through aquifers because of two main reasons: gravity and pressure. In unconfined aquifers, which we concentrate on because they are more likely to be contaminated, water always flows from high points to low points because of gravity.
Explanation:
Answer:
D. Enzymes only break down large molecules.
Explanation:
Enzymes are the substances which helps in the broken down of large food molecules into small molecules. It is because our body is not able to absorb large food molecules, these large molecules are broken down into small molecules with the help of enzymes. Carbohydrate is broken down into glucose by amylase and protein is broken down into amino acids by protease. Enzyme is non-living in nature and used as a catalyst in order to speed up the chemical reaction.
The answer is D- An ovum is a sex cell. If it contains a mutation, this mutation may be passed from parent to offspring. Only mutations on gametes may be passed from parent to child. This is because these cells use during sexual reproduction.
15 degrees Celsius is colder than 20 degrees Celsius. It gets colder as the temperature decreases.
