How many of the following can be used to distinguish a nematode worm from an annelid worm?1. type of body cavity2. number of muscle layers in the body wall3. presence of segmentation4. number of embryonic tissue layers5. shape of worm in cross-sectional view

A double covalent bond contains __________ of electrons.

The Lewis structure of NH3 contains the following:

Consider the following balanced reaction. How many moles of O2  are need to produce {n} moles of SO2? Assume excess C3H7SH. 

Many young animals are _____, a sexually immature form that is morphologically distinct from the adult stage. These young animals undergo _____ to become _____, which resemble adults but are not yet sexually mature.

How many grams of oxygen are formed when {m} grams of KO are reacted?

In the embryo of a shark, ectoderm gives rise to _____; mesoderm gives rise to _____; endoderm gives rise to _____.

Assume that British corporations begin to purchase more supplies from the United States as a result of several labor strikes by British suppliers. This action reflects:

Assume that the United States experiences a significant decline in income, while Japan’s income remains steady. This event should place ____ pressure on the value of the Japanese yen, other things being equal. (Assume that other factors are not affected.)

5. Alex used contrastive structure to show his food items. (true or false) [false] 6. What type of verb did Alex use? [plain]