We suggest presenting the height example second because human height has been affected by both genetic and environmental factors, and students find this combination challenging.
Although the current level of understanding makes this sort of rational combination challenging, there is evidence that certain combinations might be very effective.
No thanks to warm weather and a dearth of snow, there may be no halfpipe that has faced such a combination of challenge, scrutiny and expectation.
It provides highly engaging, differentiated entertainment experience where the combination of challenge and progress drives a sense of achievement.
Fig. 4 Estimation of ascorbic acid in tomato plants pre-treated with T. harzianum, SA and MeJA either individually or in combination after challenge inoculation with Fusarium oxysporum f. sp. lycopersici (Fol).
Fig. 5 Estimation of changes in the a concentration of MDA b activity of SOD, in tomato plants pre-treated with T. harzianum, SA and MeJA either individually or in combination after challenge inoculation with Fusarium oxysporum f. sp. lycopersici (Fol).
Fig. 6 Estimation of changes in the activities of a CAT, b APx, and c GPx in leaves of tomato plants pre-treated with T. harzianum, SA and MeJA either individually or in combination after challenge inoculation with Fusarium oxysporum f. sp. lycopersici (Fol).
But Libya presented an unusual combination of challenges for China.
It was a daunting combination of challenges that would have defeated many more experienced editors.
According to industry experts, rental companies are embracing various high-margin extras because of a combination of challenges.
Mr. Beng's brisk tour gave us a sense of the circuit's combination of challenging chicanes, fast straights and blind uphill turns.
