Answer: pretty sure it’s C
Explanation: model a (3D model) it shows how the atoms connect. Model b doesn’t. Hope this helped
Answer: B )
Explanation: Hawks are on the top of the food chain in this question so it makes sense to only have few while having a good amount of bunnies to feed them. This all would need grass to bunnies alive; with process of elimination this was solved.
Answer: Colostrum will provide the infant with passive immunity for several months to diseases to which the mother has immunity
Explanation:
The colostrum can be defined as the milky fluid that is released by the mammary glands of the mother in the case of mammals before the birth of the fetus occurs.
The colostrum is an important source of nourishment that promotes the growth of the fetus and it also provides passive immunity in the early growth period of the infant to several months after birth to fight against the diseases. A lactation period is a duration till which the mother the mammary glands secretes the milk.
Answer: phosphate groups, guanine, and cytosine
Explanation:
Answer:
oxygen: it was the result of biological activities. There were such stable continental shelf environments, which were rare in the Archean, developed after 2.5 billion years ago, facilitating the growth of photosynthetic organisms and thus oxygen production.