Global warming is an increase in the Earth's overall temperature whereas the greenhouse effect is how heat is retained by the atmosphere due to greenhouse gases, which a greenhouse gas is a gas that absorbs and emits radiant energy within the thermal infrared range. Hope this helps :)
Answer: If the electron affinity is negative, it indicates the release of energy from the atom. Hope this helps :)
Explanation:
Answer:
Put simply, Asexual reproduction is reproduction without the use of gametes or the number of chromosomes being changed. So they are genetically identical creatures. Some animals include wasps, lizards, sharks, turkeys, and sea urchins.
Sexual reproduction includes chromosomes and gametes being fused, creating genetically different offspring. Examples of creatures that reproduce sexually are humans, chickens, cow, pigs, etc.
Explanation:
c because the mass stays the same.
Answer:
Silicon, Si forms covalent-network solids.
Explanation:
Silicon, Boron and Carbon are the elements that form covalent networks solids: solid materials whose units consists of chains or networks of atoms or molecules covalently bonded together. Silicon, Si has a similar structure to carbon, but not the exact hardness because Si-Si bonds are not as strong as carbon-carbon bonds.
An example of Si covalent compound is silicon dioxide.