The correct answer is (a.) synovial joints. The synovial joint has the least range of motion. Its function is to join or combines bones in the synovial cavity. The synovial is mostly composed of synovial fluid (which can be found in knees.)
The brain loses 5-10 percent of its weight between the ages 20 & 90.
The answer is fertilization.
Fertilization is the process in which two haploid gametes fuse to create one diploid cell. <span>In this process, male sperm fuses with female egg which creates a zygote. Since they are haploid (n), after fertilization, they will create the zygote which contains chromosomes from the sperm and chromosomes from the egg. The zygote, thus, has two sets of chromosomes, so it is diploid (2n).</span>
Answer:
<em>The tyres of car wear out gradually, due to the frictional force. Frictional force arises between two objects when they move over one another. In the given cases it arises between the tyre and the surface which it is travelling on.</em>
