Space exploration technology has been used to improve

Technology from the space race has also been applied to directly improve public safety and reduce the risk of accident and injury. Anti-icing systems allow aircraft to safely fly in cold weather. Safety grooving, which first was used to reduce aircraft accidents on wet runways, is now also used on our roadways to prevent car accidents.

Explanation:

answer: i don't know

explanation:

you need to provide a picture, otherwise i can't tell you.

if you can provide one, i'd be more than happy to you with this!

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.