If the machine is working properly then that rules out 2, 3 and 4 as they are all technical problems and therefore it must be A there waves don't reflect of the stone properly and therefore no image is formed
Hope that helps
Answer:
The right approach will be "Natural selection".
Explanation:
- Natural selection seems to be a mechanism that persists and reproduces populations of organisms that seem to be better suited to applications, however those that are somewhat properly equipped die away.
- This demonstrates that organisms that really can respond to a given climate can rise in quantities and therefore will ultimately outperform certain species that are unable to respond significantly.
Correct answer: B) Production of gametes and hormones
The male reproductive system include a number of sex organs that play an important role in the human reproduction. All the male organ are located either on the outside of the body or within the pelvic region.
Male reproductive system includes external genital organs and internal genital organs . The external genital organs consists of penis, scrotum and internal genital organs include epididysis, accessory gland and vas deferens .
The main function of male reproductive system is the production and secretion of male sex hormones like testosterone which is required to maintain male reproductive system. It help in the production and transportation of sperm and discharge them in to the female reproductive system at the time of intercourse.
Answer:
The research is unethical(fetal stem cells) since the blastocyst, an unimplanted human embryo at the sixth to eighth day of development, is destroyed during the stem cell extraction process.
Answer: The primary task of the last stage of cellular respiration, the electron transport chain, is to transfer energy from the electron carriers to even more ATP molecules,
Explanation:
