Answer:B
Explanation:
The circulatory system is made up of blood vessels that carry blood away from and towards the heart. Arteries carry blood away from the heart and veins carry blood back to the heart. The circulatory system carries oxygen, nutrients, and hormones to cells, and removes waste products, like carbon dioxide.
Answer:
Efficacy o disinfectant is relatively greater than that of antiseptics
Explanation:
Most of the reason has to do with the fact that antiseptics are made in a mild form so as to not harm human tissue, while disinfectants are more concentrated and ought to be applied directly to surfaces in order to sanitize them.
Answer:
The correct option is D. Crossing over and independent assortment are the causes of genetic variation.
Explanation:
In the process of meiosis, crossing over is a phenomenon through which exchange of genetic segments takes place among the homologous chromosomes.
The process of independent assortment describes how different genes assort differently during meiosis.
Both the process of crossing over and independent assortment are the basis of the genetic variations seen in the world.
Answer:
In my opinion no ..
Explanation:
Population growth has stalled in recent years as cod face poor environmental conditions due to climate change and declining availability of prey: capelin and shrimp. In turn, this has led to an increase in starvation and cannibalism. DFO committed to finalizing a rebuilding plan in 2019.
Answer:
1. interaction between hydrosphere and atmosphere.
Cloud is formed from water vapors evaporated by lake water (hydrosphere) in atmosphere
2. interaction between atmosphere and geosphere.
The atmosphere arranges the geosphere with the energy required for the breaking of rocks and different types of erosion.
3. interaction between hydrosphere and geosphere.
For electricity purposes, water in the lake (hydrosphere) flows and stored into the cliff walls behind the dam, forming groundwater after moving through the turbine (geosphere).
4. interaction between the atmosphere and the biosphere.
In the nitrogen cycle, atmospheric nitrogen is fixed to compounds of nitrogen in plants with help of nitrogen fixing microbes (biosphere).
