D, the independent variable is what you are changing
Answer:
B.) Carbon and Hydrogen
Explanation:
Lactose is a carbohydrate, and carbohydrates are primarily made of carbon and hydrogen chains.
Answer:
Sandy loam
Explanation:
sandy loam is better than silt loam because sandy loam has smaller particles than silt loam for easy drainage.
Answer:
Chemicals that are secreted from antigen-presenting cells then activate helper T cells.
Explanation:
<span>Answer: Biodiversity</span>
The suppression of forest fires causes a decrease in biodiversity because
some habitats require exposure to fire. Most ecosystems of savanna, chaparral
and coniferous forests have developed with fire as an essential contributor to habitat’s vigor
and regeneration.
Additionally, wildfire suppression eliminates plant species
in fire-affected environments that require fire to germinate, established, or to
reproduce. Also, animals that depend on these plants will be affected too.