Answer:
A. Acute rheumatic fever.
Explanation:
Acute rheumatic fever is an autoimmune response to the infection of bacteria called group A streptococcus. This infection commonly occurs in children and particularly after 2 to 3 weeks of pharyngitis or sore throat. It has manifestations of cardiac (murmur), rheumatologic, and neurologic.
So, the above symptoms shown in question is purely related to acute rheumatic fever.
Answer: C. Chromosomes
When an egg and sperm cell
unite, fertilization follows. The chromosomes carry the genes that will be
transferred to the offspring. They have threadlike bodies that made up of DNA
and protein that carries hereditary information, which is used to help a cell
grow and reproduce.
Furthermore, humans have 46
chromosomes and 23 in each sex cell and they are found in the nucleus of a
cell.
Darwin discovered that the lizards on the island were able to adapt an ability to swim and dive in their habitat for food to survive. Species that did not have those same adaptations could not survive. This relates to natural selection because one species of organisms better adapted to their environment and tended to survive and produce more offspring.
Weathering & Erosion. Igneous, sedimentary, and metamorphic rocks on the surface of the earth are constantly being broken down by wind and water. ... The result of all this: large rocks are worn down to small particles.