In 1970 when the Aswan High Dam was completed, the annual Nile floods and sediment stopped for most of Egypt's civilisation which lived downstream. In addition to creating electricity, the dam allowed Egyptians to control the flow of water and build upon the Nile's banks with certainty that it wouldn't be flooded.
The answer would be A - John Garcia. Distinguished alongside associate Robert Koelling the marvel of taste abhorrence which set up that traditional molding was impacted by biological disposition - this is the point at which a subject (human, creature, plant) has some inside quality that gives them an improved probability of having a condition.
Answer:
The accumulation of food surpluses.
Explanation:
According to a different source, these are the options that come with this question:
<em>The accumulation of food surpluses.</em>
<em>The invention of the wheel.</em>
<em>The development of coins.</em>
<em>The advent of warfare.</em>
The accumulation of food surpluses was the main reason why ancient civilizations became urban and organized. As agriculture developed and became more systematic, people began to enjoy a stable source of food. This was a great advantage as it allowed people to have time to spend on other matters. This free time led to the development of artisans, merchants, the aristocracy, and other social classes. Moreover, as food surpluses continued, populations became larger, which led to the creation of larger and better organized urban centers.
Natural selection is rhe sirvival of the fittest. The fittest for the environment. If there is a sudden change in the environment say for example, flood or forest fire, etc. , species that once thrived may no longer have what it takes to survive in the changed environment. Other species might find it easier to thrive in the changed environment.
Answer:
The correct order is:
Q: The pollen grain germinates on reaching the stigma.
S: The pollen tube grows out from the pollen.
P: The pollen tube grows down through the style reaches the ovary.
R The male gamete moves into the ovule to fuse with the ovum.
Explanation:
The fertilization progress takes place in the order presented above. This process is responsible for the formation of fruits and seeds that will be responsible for giving continuity to the plant species. In a nutshell, we can say that fertilization starts with the polem road in stigma. There, the pollen will germinate and develop a tube called a pollen tube. This tube will grow to the flower's ovary and merge with the egg, completing fertilization.
