Plants: Plant life cycles, plant parts, and photosynthesis. Animals: Animal habitats, animal adaptations, and food chains. Ecosystems: The relationships between plants, animals, and their environment. Weather: Different types of weather, weather patterns, and climate change. Matter: The properties ...
But the presence of the basic ingredients of life may not in itself be enough for life to exist. To go from the inert to the living may require a very specific combination of environmental conditions that we're only just starting to piece together.但是，生命基本成分的存在本身可能并不足以让...
No possibility of life of any sort. So without atmospheric carbon, life couldn't exist on Earth. Now, another thing to remember is that carbon is always being removed from the atmosphere. It gets used up. Largely it’s consumed by plant life through photosynthesis. Also, it dissolves in ...
The novel's vivid description of the countryside brought the setting to life. 10 Explanation The act of making something clear or understandable. The teacher's explanation of photosynthesis clarified the concept for students. 14 Description A representation of features, traits, or attributes. The bro...
Nature has already given us the mechanism for carbon dioxide removal that we all rely on daily. It’s photosynthesis. Anything growing is removing carbon dioxide. Most nature-based CDR models start with some form of plant-based matter, or biomass, being converted into a state in ...
Answer: The Hill reaction implies that thelight dependent reaction of photosynthesisis a result of a series of redox reactions and a suitable terminal electron acceptor is required for that reaction to occur. Plants have natural electron acceptors such as NADP, that play a major role in the oxid...
What is a quantum vacuum? Anne Baring A True Vacuum? One may have heard that a vacuum is nothing—the absence of matter. Space is typically called a vacuum, but even it has minute material in the void that makes it a non-but-near-vacuum as a whole. On Earth, we can isolate a ...
Below is a quote from a student who did not immediately know the source of the mass gained by radish seeds that received water and sunlight. However, he realized that he needed to account for each of the elements in the glucose that was produced by photosynthesis. Tracing matter was a tool...
What determines the energy of an electron? What is electromagnetic energy? What are some sources for non-ionizing radiation? Where in the sun do fusion reactions happen? What is the energy released in the fission reaction? What is stellar energy in nuclear chemistry?
Do we really comprehend photosynthesis, for example? We may appreciate an explanation of the mechanics, which may or may not be fairly accurate--science is always changing its mind--but surely that is not the whole picture. It is good to maintain a healthy appreciation of mystery. I am ...