Answer:
look below
Explanation:
vaccination utilises this secondary response by exposing the body to the antigens of a particular pathogen and activates the immune system without causing disease. The initial response to a vaccine is similar to that of the primary response upon first exposure to a pathogen, slow and limited
Answer:
Three types of plants that provide fiber used in clothing are cotton,hemp,and flax.
Answer:
Denitrification process occurs when the soil bacteria use nitrate for the respiration of oxygen in the air. These nitrates are converted to nitrogen gases.
<u>Explanation:
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<em>The denitrification process mostly occurs in warm nature rapidly, wet soils with sufficient of nitrate. Denitrification process only occurs when the nitrate is present.</em> <em>The denitrification is in sewage treatment and it is beneficial process, the problem considered in agriculture farmers to increase their crop yields because they are applying nitrogen fertilizers to the land. </em>
<em>Denitrification process increases from cropland and it is responsible for increases the amount of nitrous oxide in the atmosphere. The denitrification process plays an important to recycling of nitrogen for healthy soil, microbial and for plant growth, and animal’s health.</em> The impacts of global warming are due to the process of denitrification through loss of nitrous oxide.
Answer: b) microwave energy causes water molecules to heat and vaporise, causing the expansion of the kernels, sound and movement which are all due to mechanical energy
Explanation: as above