Answer:
A
Explanation:
Wind is caused by inequal heating. As you should have learned, things expand when they get hot and contract when they get cold. So, the high pressure hot air flows into the low pressure cold air via wind.
Answer:
XX chromosome
Explanation:
Men determine the sex of a baby depending on whether their sperm is carrying an X or Y chromosome. An X chromosome combines with the mother’s X chromosome to make a baby girl (XX) and a Y chromosome will combine with the mother’s to make a boy (XY).
Answer:
Microtubules, like actin filaments, are dynamic structures: they can grow and shrink quickly by the addition or removal of tubulin proteins. Also similar to actin filaments, microtubules have directionality, meaning that they have two ends that are structurally different from one another. I hope this helps :)
As the cardiac muscle gets stronger, the amount of blood pumped with each beat increases which in turn makes the heart more efficient overall. As a result, we can infer that as the cardiac muscle gets stronger, the heart rate will decrease since it is able to pump more blood with each beat
taxonomy is the science of classification based on their characteristics, basically you classify things based on what they are like organisms, species, family, animal kingdom, food, fossils, plants, animals, human...etc