The statement above is TRUE.
Viral and bacteria STIs are usually acquired through sexual contact with an infected person. These infections have serious devastating effects on the affected and death usually result if the infection is not treated promptly. Some of these infections are still without drugs that can cure them, especially the viral STIS.
Ectoparasitic infections are those infections that are caused by tiny parasitic organisms. They are usually transmitted by close physical contact. The parasite usually affect skin or hair and typically cause itching. The effects of these infections are mild compare to that of viral and bacterial STIs.
Answer:
Natural selection and selective breeding can both cause changes in animals and plants. The difference between the two is that natural selection happens naturally, but selective breeding only occurs when humans intervene. For this reason selective breeding is sometimes called artificial selection.
Explanation:
Answer:
El magma es una roca líquida y semilíquida extremadamente caliente ubicada debajo de la superficie de la Tierra. Este magma puede atravesar agujeros o grietas en la corteza, provocando una erupción volcánica. Cuando el magma fluye o entra en erupción en la superficie de la Tierra, se llama lava. Como la roca sólida, el magma es una mezcla de minerales.
Espero que esto ayude
Answer: Option D
Explanation:
Water is a polar molecule meaning that there is uneven distribution of electrons between the hydrogen atoms and oxygen atoms. The oxygen atom is electronegative and negatively charged and it attract more electrons while the hydrogen atoms is positively charged. For water to move up in trees in tubes, the tubes must be polar because water itself is a polar molecule.