Chimps are not easy to observe.
Its distinctive white tubular flowers are easy to observe.
And it would also be easy to observe aeroplanes or ships injecting gases or particles into the atmosphere.
"It's one of the closest to us, bright in the sky and relatively easy to observe," he said.
Chicks had many advantages over amphibians as research subjects; for one thing, chick development is easy to observe.
And, though it is easy to observe the cycle format's strengths, there is much that it overlooks.
By Teju Cole June 12, 2017 By Teju Cole June 12 , 2017Saint Moritz Movement in the peripheral vision is easy to observe.
The size of the sunflower's disk makes it easy to observe an amazing sexual dance, every day from morning to night.
Today, scientists know the terrestrial fire is linked in a circuitous way to sunspots, which are easy to observe and provide a handy measure of solar storminess.
It is easy to observe that (2.26).
It is easy to observe this phenomenon in everyday life.
