Answer:
During daylight hours, plants take in carbon dioxide and release oxygen through photosynthesis, and at night only about half that carbon is then released through respiration. However, plants still remain a net carbon sink, meaning they absorb more than they emit.
A baby isn't considered a fetus until about 8 to 9 weeks after
conception. During those first weeks, the baby is considered as the
embryo. The embryo is the development of the pregnancy until about 9
weeks, it will then turn into a fetus.
7. Environmental factors that can contribute to our epidemic of obesity include all of the following except?
B. increased sedentary <span>lifestyles</span>
10. What are some external influences that may lead a person to be at risk for anorexia?
B. our society's cultural reinforcement to be thin
Answer:
Half-life, in radioactivity, the interval of time required for one-half of the atomic nuclei of a radioactive sample to decay (change spontaneously into other nuclear species by emitting particles and energy), or, equivalently, the time interval required for the number of disintegrations per second of a radioactive
Explanation:
