Answer: D
Explanation:
During embryogenesis, hematopoiesis begins in week 3 in the Yolk Sac, in Pander´s Island or Wolff´s Island, commonly known as the "blood islands". These blood islands develop from the umbilical vesicle, allantois, and chorion. In week 5, blood production starts on the fetal liver, and finally, at week 12 it begins in the bone marrow, spleen and, thymus.
Answer:
Explanation:
When you are in the northern hemisphere, you are near the north pole. If you are in the Southern Hemisphere, you are closer to the South Pole. As you probably already know, the earth is tilted. When you are closer to the equator, your number of daylight hours increase. The farther you are from the equator, the less daylight you will receive.
Answer:
The answer is below
Explanation:
To improve this condition, there are various means or ways to combat this, some of which are:
1. Carrying out improvement on nutrition
2. Eliminating or reducing the environmental degradation on the food system by making food supplies more diverse, nutritious and sustainable.
3. Increasing the Plantation of agricultural produce, most especially food.
4. Birth control: this is trying to measure the resources available against the population, to achieve optimum relationship between population and resources.
5. Ensuring Organic Pesticides are used in agriculture, to avoid or prevent contamination of foods.
6. Provide proper Irrigation system, such that most area can serve the purpose of of agriculture.
7. Ensure the use of quality Seeds, which can translate to to bounty harvest
8. investment is needed to facilitate innovations and development of interventions that can improve nutrition in a cost-effective, sustainable way.
9. the private sector needs to be engaged in a meaningful way in finding solutions to a more sustainable and nutritious food system.
Answer:
Cohesion allows for the development of surface tension, the capacity of a substance to withstand being ruptured when placed under tension or stress. This is also why water forms droplets when placed on a dry surface rather than being flattened out by gravity.
