Core conditioning looks to improve a. how well a person can stretch. b. strength in the quadriceps and hamstrings. c. stability that comes from the trunk and the spine. d. the ability to catch.

The answer is C. Body chiseling is a non-oxygen consuming, muscle-conditioning class, typically centered around center quality. Most chiseling classes utilize weight bars, practice groups, or dumbbells, or a blend of these devices. You perform conventional weight-preparing moves in a class setting.

Explanation: Hope this helps!

the level of progesterone is low at the pre-ovulatory phase of the cycle but it gradually increases and the levels are high at the luteal phase. if pregnancy occurs, the level of progesterone will be high throughout the pregnancy.

if egg is fertilized and the mother gets pregnant, progesterone starts preparing the uterus for the implantation. it starts building up the lining of uterus and make it hostile of the period of pregnancy.

the correct answer is - d. china has a large and growing population.

the fact that china has a large (the biggest) population, and it is still growing, doesn't hinder the agriculture production in the country. in fact, it can for increased production in the agriculture, since there's more labor force, as well the sheer mass of people produces lots of scientists that come up with new inventions as to how to improve this sector. nice example is the inner mongolia region in china, in general dominated by the gobi desert, but few scientist came up with a nice idea as to how to make the region productive by using plants that are very resistant to droughts, so lots of people have been employed, and the region is becoming greener and greener each year, and the production of food in this region is also increasing.