Answer:
The part of a flower stalk where the parts of the flower are attached.
Explanation:
Also known as stem
b. Frequent volcanic eruptions have caused the Earth's atmosphere to fill with sulfur aerosols dropping the temperature globally by 5 degrees.
c. Multiple ice ages in the 18th century have caused a shift in atmospheric circulation on present day Earth.
d. Over the past 50 years, greenhouse gas concentrations have rapidly decreased in the atmosphere.
Answer: If it wasn't for Sexual reproduction , the passing of mutations from on...
Explanation:
There are several types of reproduction that living things present, but they can all be grouped into two broad categories: asexual and sexual reproduction. Sexual reproduction considered to be more complex is characterized by the presence of meiotic gametes and, consequently, by recombination of genes, resulting in genetic variability, genetically different from their progenitors. It can occur by conjugation (present in bacteria, protozoa, and algae), autogamy (present in protozoa) and syngamy (present in most living things).
Answer:
the elements present in the star's atmosphere
Explanation:
The spectrum showing dark lines is an absorption spectrum. The dark lines actually indicated the energy absorbed by the elements present in the atmosphere of the star.
The elements absorb particular wavelengths and reach higher energy state. The absorbed wavelengths appear as dark lines in the spectrum.
B. Cerebellum
C. Brain stem
D. All of the above