Answer:
global warming
Explanation:
fossil fuels->destructive gasses->burn holes in ozone->deadly rays hit earth ->get trapped in atmosphere->EARTH HOTTER
Answer:
The student claim is incorrect
Explanation:
Uncontrollable cell division leads to formation of tumours and cancers if cells were to lose contact inhibition and migrate to other parts of the body.
Answer:
Explanation:
Puberty is the process of gradual physical changes that occurs as child's body matures into an adult body capable of sexual reproduction. a stage whereby an adolescent reaches sexual maturity and is able to carry out sexual reproduction. It is stimulated by hormonal signals from the brain to the gonads. In the females, it happens between the age of 10 and 14. Some physical changes are experienced and these includes;
Girls’ bodies increase in size and shape during puberty.
Their hips become more rounded and they get a more defined waist.
The vulva, vagina and nipples get bigger and the breasts begin to develop, sometimes unevenly.
they become taller, heavier and stronger
, an increase in sweating
, more oily skin
Hair growing around their genitals, under their arms and on their legs and arms.
Sudden mood changes
, changing emotions and an involuntary increase in sexual feelings and fantasies.
Other changes include pubic hair appearing and a vaginal discharge - an increase in the mucous produced in the vagina.
Girls also start menstruating or having their period during this time.
I'm not entirely sure, but I'd go with the first one as they both evolved separately to fit different climates.