The correct answer is - A. the Dasht-e Kavir.
The Dasht-e Kavir desert is a desert located in the country of Iran. It is the most inhospitable place for life in the country, and very few organism manage to survive in this environment. The sheer amount of salt and high temperatures during the summer make it extremely hard for anything to live in here. And even in the colder part of the year, when the temperatures can go bellow 0 C degrees, it is still not a pleasant place.
Answer:
The climate in that area is different today than when tropical plants and animals lived there
Explanation:
The most likely reason for the absence of those tropical animals in North Texas would be the climate.
Climatic conditions have varied through geologic history of our blue planets. When these conditions changes, organisms have to adapt and on the long run, the environment won't be able to sustain them. They become phased out.
It is possible for rock records in a place to bear different fossil records records that are not similar compared to the life we have in such areas today.
The Sahara desert for example has huge fossils of fishes in its rocks. Today, the area is a hot desert and contains very low biodiversity. Sciencist have proposed that the region was previously a lush green tropical forest and the ocean covered some parts too. Today, the Sahara's climate has changed.
D. He was laughed at, at first
<span>Photosynthesis is the process through which living organisms convert environmental carbon dioxide and water into glucose. The glucose is a sugar essential element that fuels life processes.</span><span>
Region's photosynthetic productivity is influenced by the the availability of nutrients and the amount of solar radiation, or sunlight.
</span><span>Nutrients as iron, magnesium and sulfur decrease photosynthesis rates., while nitrogen and phosphorus can prevent a plant from metabolizing glucose.</span>