Which structures are similar in function, but do not guarantee that the organisms are related?

analogous structures

homologous structures

vestigial structures

transitional structures

What is the pH when 5.0 mL of 0.010 M barium hydroxide is added to 20.0 mL of 0.020 M nitric acid 12.08 1.92 12.15 1.85

Provide three ways that humans have had a impact on the greenhouse effect on Earth? Describe how the activity has had an impact on the greenhouse effect.

An alloy contains 54 g of pure silver and 18 g of pure copper. what is the percentage silver in the alloy?

When the nucleus of an atom contains a constant number of protons but a variable number of neutrons, the atom is called a (n) ? 1) element 2) isotope 3) valence 4) dalton

How many moles of oxygen are in 3.7 moles of C8H11NO2?

What is hybridisation

2. Seorang ibu perlu menyediakan satu hidangan kari daging dengan cepat untuk anaknya yang lapar. Langkah manakah yang berikut dapat membantu dia mencapai tujuan ini? (CL01, C2) A. Menggunakan periuk yang lebih besar B. Menambah banyak serbuk kari C.

Which of the following statements is not true? Question 4 options: When atoms have similar electronegativities, electrons are shared equally When electrons are shared equally, the molecule is called a nonpolar molecule.

Write the isotope symbol for two isotopes of the same element. What makes the isotopes different? How are they similar?

According to the periodic table, which element has an atomic number of 40? a. u b. ca c. zr d. np