Answer:
c. Cold front
Explanation:
Cold fronts are bodies of air with cooler temperatures than the surrounding air. The general effect cold fronts have is that they cause a drastic change in the weather. This is because when they interact with the warmer air, they produce precipitation.
The storm most likely, came with an advancing mass of cold air, which caused the dramatic drop in temperature that was experienced. This is what is known as a cold front.
Answer:
b. tropins
Explanation:
The anterior pituitary gland secretes many hormones. Some of these hormones regulate the secretion of hormones from other endocrine glands. These hormones are called tropins. For example, thyroid-stimulating hormone (TSH) is a tropin from anterior pituitary that makes the thyroid gland to release its hormones. Adrenocorticotropic (ACTH) and gonadotropins from anterior pituitary gland target the adrenal cortex and gonads respectively.
Answer: sunlight.
Explanation: When trying to establish the level or extent of correlation or relationship which exists between two variables, the variables are classed as independent and dependent variables. The independent variable is referred to as the variable which causes a change in the value of the other variable (dependent variable). It is also known as the explanatory or predictor variable as it lead to changes in the dependent or predicted variable. In the scenario above, the independent variable is sunlight whose impact leads to changes in the growth level of the plant.
