Answer:
Moths are active at night because they are nocturnal.
Explanation:
The correct answer is C.
The egg sinks in freshwater because it is more dense than the water. So, to make the egg float, you would have to increase the density of the water. Since salt water has a greater density than freshwater, you would add salt to the freshwater, thus causing the egg to float rather than sink.
Answer:
1. Habitat, 2. Niche, and 3. Tolerance
Explanation:
The tree is a habitat for many organisms such as birds, fungi, and insects in the forest ecosystem as it provides shelter and food. Habitat can be understood as the address of an organism,
Fungi are saprophytic energy that obtains energy from the dead organic matter that presents on the tree, which is the niche of the fungi. Niche is like the job or work of an individual organism.
Fungi can grow in extreme temperature and waterlogging conditions which shows the tolerance of the fungi.
Decomposers get energy from dead or decaying matter. Examples are fungi, bacteria, some insects and snails.
When the nucleus of a U-235 atom captures a moving neutron it splits in two (fissions) and releases some energy in the form of heat, also two or three additional neutrons are thrown off. If enough of these expelled neutrons cause the nuclei of other U-235 atoms to split, releasing further neutrons, a fission 'chain reaction' can be achieved. When this happens over and over again, many millions of times, a very large amount of heat is produced from a relatively small amount of uranium.
It is this process, in effect "burning" uranium, which occurs in a nuclear reactor. The heat is used to make steam to produce electricity.