Answer:
1,2 × 10⁹ : 1
Explanation:
In fact, the average male will produce roughly 525 billion sperm cells over a lifetime and shed at least one billion of them per month. A healthy adult male can release between 40 million and 1.2 billion sperm cells in a single ejaculation.
Stars as large as Betelgeuse are very unusual. In contrast, Rigel, the bright, bluish-white star at the southwest corner of Orion, is smaller and much hotter than Betelgeuse. Although Rigel is smaller than Betelgeuse, it is still a super-giant star compared to the sun.
hope this helps ^^
Inheritance is randomly chosen from the current gene pool. It's randomly decided whether offspring will receive certain types of traits from a certain parent. There are also dominant traits and recessive traits. Dominant traits are traits that overshadow recessive traits.
Answer: Blood Vessels and Heart
Explanation:
If you wanna get into the nitty-gritty, The circulatory system is also made up of arteries, veins and capillaries.
8:C
9: A
10: B
11: C
12: B
13: A
14: B
15: A
